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  1. 1
    Digitized in colour from the original in 2019-2020.
    1 digital object(s)

    [Patent no. 14750, sale no. 2031]

    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5402914
    Date:
    23 April 1907
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10951
    [Patent no. 14750, sale no. 2031]. Gordon (Ont.) Title assigned by Library and Archives Canada. Patent granting Robert J.Porter and Robert K
  2. 2
    Digitized in colour from the original in 2019-2020.
    1 digital object(s)

    [Patent no. 14767, sale no. 2032]

    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5402929
    Date:
    7 May 1907
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10951
    [Patent no. 14767, sale no. 2032]. Gordon (Ont.) Title assigned by Library and Archives Canada. Patent granting Robert J.Porter lots 1, 2, and 3, 
  3. 3
    Digitized in colour from the original in 2019-2020.
    1 digital object(s)

    [Patent no. 14828, sale no. 2037]

    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5402991
    Date:
    12 August 1907 (18 February 1907)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10952
    [Patent no. 14828, sale no. 2037]. Robinson (Ont.) Title assigned by Library and Archives Canada. Patent granting Mathew A Irving and Robert J Porter lot 20 
  4. 4
    Digitized in colour from the original in 2019-2020.
    1 digital object(s)

    [Patent no. 14826, sale no. 1957]

    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5402989
    Date:
    9 August 1907 (30 May 1904)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10952
    [Patent no. 14826, sale no. 1957]. Robinson (Ont.) Title assigned by Library and Archives Canada. Patent granting Isaac F Wells and Robert J Porter lot 23, 
  5. 5
    Digitized in colour from the original in 2019-2020.
    1 digital object(s)

    [Patent no. 14872, sale no. 1343]

    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5403035
    Date:
    4 September 1907 (8 April 1899)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10952
    [Patent no. 14872, sale no. 1343]. Robinson (Ont.) Title assigned by Library and Archives Canada. Patent granting Robert J Porter and John Kemp lot 22, 
  6. 6
    Digitized in colour from the original in 2019-2020.
    1 digital object(s)

    [Patent no. 14873, sale no. 1564]

    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5403036
    Date:
    4 September 1907 (8 August 1900)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10952
    [Patent no. 14873, sale no. 1564]. Robinson (Ont.) Title assigned by Library and Archives Canada. Patent granting William A Irving and Robert J Porter lot 
  7. 7
    Digitized in colour from the original in 2019-2020.
    1 digital object(s)

    [Patent no. 13232, sale no. 3891]

    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5401531
    Date:
    12 July 1902 (6 March 1902)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10943
    [Patent no. 13232, sale no. 3891]. Allan (Ont.) Title assigned by Library and Archives Canada. Patent granting Robert J Porter lots 1, 2, and 3, 
  8. 8
    No digital object

    [Patent no. 17416, sale no. 2101]

    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5405441
    Date:
    23 January 1915 (16 October 1914)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10963
    [Patent no. 17416, sale no. 2101]. Robinson (Ont.) Title assigned by Library and Archives Canada. Patent granting Robert J Porter lots 33, 34, 
  9. 9
    Digitized in colour from the original in 2019-2020.
    1 digital object(s)

    [Patent no. 14824, sale no. 625]

    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5402987
    Date:
    4 August 1907 (4 May 1895)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10952
    [Patent no. 14824, sale no. 625]. Robinson (Ont.) Title assigned by Library and Archives Canada. Patent granting Robert J Porter and William S Cook lot 17, 
  10. 10
    Digitized in colour from the original in 2019-2020.
    1 digital object(s)

    [Patent no. 16519, sale no. 1106]

    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5404653
    Date:
    14 February 1912
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10960
    [Patent no. 16519, sale no. 1106]. Gore Bay (Ont.) Title assigned by Library and Archives Canada. Patent granting James Harper and Robert J
  11. 11
    Digitized in colour from the original in 2019-2020.
    1 digital object(s)

    [Patent no. 14825, sale no. 1986]

    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5402988
    Date:
    9 August 1907 (27 January 1905)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10952
    [Patent no. 14825, sale no. 1986]. Robinson (Ont.) Title assigned by Library and Archives Canada. Patent granting Levia Smyth and Robert J Porter lot 17, 
  12. 12
    Digitized in colour from the original in 2019-2020.
    1 digital object(s)

    [Patent no. 14827, sale no. 1832]

    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5402990
    Date:
    10 August 1907 (9 January 1903)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10952
    [Patent no. 14827, sale no. 1832]. Robinson (Ont.) Title assigned by Library and Archives Canada. Patent granting Mathew Irving and Robert J Porter lot 20, 
  13. 13
    Digitized in colour from the original in 2019-2020.
    1 digital object(s)

    [Patent no. 16884, sale numbers 2045 and 1930]

    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5405016
    Date:
    5 May 1913 (13 March 1907 and 5 April 1905)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10961
    [Patent no. 16884, sale numbers 2045 and 1930]. Mills (Ont.) Title assigned by Library and Archives Canada. Patent granting Robert J
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