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Showing 1 - 5 of 5 filtered results
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  1. 1
    No digital object
    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1194969
    Date:
    1941-1942
    Source:
    Government
    Reference:
    RG12, Volume number: 407, File number: 1660-62, File part: 1
    ADMINISTRATION - GENERAL - INVENTIONS AND PATENTS - WIND TEE INVENTED BY STUART GRAHAM
  2. 2
    No digital object
    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1194952
    Date:
    1913
    Source:
    Government
    Reference:
    RG12, Volume number: 602, File number: 1660-29
    MISCELLANEOUS - INVENTIONS AND PATENTS - ACTION JUDGEMENT - NATIONAL ELECTRIC SIGNALLING CO. VS TELEFUNKEN CO. - RE USE OF CERTAIN SPARK FREQUENCIES
  3. 3
    No digital object
    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1194954
    Date:
    1918
    Source:
    Government
    Reference:
    RG12, Volume number: 602, File number: 1660-31
    MISCELLANEOUS - INVENTIONS AND PATENTS - INFRINGEMENT OF PATENTS - CANADIAN CO. VS CANADIAN CAR AND FOUNDRY AND EJ SIMON OF NEW YORK
  4. 4
    No digital object
    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1194953
    Date:
    1911
    Source:
    Government
    Reference:
    RG12, Volume number: 602, File number: 1660-30
    MISCELLANEOUS - INVENTIONS AND PATENTS - ACTION AND JUDGEMENT - MARCONI CO. VS. BRITISH RADIO TELEGRAPH AND TELEPHONE CO. - INFRINGEMENT LETTERS PATENT NO
  5. 5
    No digital object
    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1194951
    Date:
    1918-1919
    Source:
    Government
    Reference:
    RG12, Volume number: 602, File number: 1660-28
    MISCELLANEOUS - INVENTIONS AND PATENTS - BELLINI-TOSI - APPARATUS FOR DIRECTED WIRELESS - TELEGRAPHY AND TELEPHONY
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