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  1. 1
    No digital object
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5420819
    Date:
    15 February 1941
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10991
    [Patent no. 23197, sale no. 4699]. Title assigned by Library and Archives Canada. Patent granting J. Ernest Spry and Lincoln C
  2. 2
    No digital object
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5420857
    Date:
    20 August 1941
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10991
    [Patent no. 23239, sale no. 4709]. Title assigned by Library and Archives Canada. Patent granting Lincoln C. Stump and J
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