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  1. 1
    No digital object
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5418975
    Date:
    28 June 1928 (15 May 1928)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10981
    [Patent no. 21247, sale no. 79]. Title assigned by Library and Archives Canada. Patent granting Adolphus Callihoo E 1/2, section 25 & E 1/2, 
  2. 2
    No digital object
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5420431
    Date:
    28 June 1935 (15 May 1928)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10989
    [Patent no. 22768, sale numbers 92, 94, and 95]. Title assigned by Library and Archives Canada. Patent granting William Callihoo (1.76%), FE Rooney, 
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