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  1. 1
    No digital object
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5421239
    Date:
    14 March 1945
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10993
    [Patent no. 23686, sale no. 609]. Title assigned by Library and Archives Canada. Patent granting the Dominion Alloy Steel Corporation lot 27 and parts of 
  2. 2
    No digital object
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5421479
    Date:
    1 March 1947
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10994
    [Patent no. 23992, sale no. 609]. Title assigned by Library and Archives Canada. Patent granting the Dominion Alloy Steel Corporation and William John Dyke, 
  3. 3
    No digital object
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5421480
    Date:
    3 March 1947
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10994
    [Patent no. 23993, sale no. 609]. Title assigned by Library and Archives Canada. Patent granting the Dominion Alloy Steel Corporation and William John Dyke, 
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