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US Patent: 470,777
Pocket Knife
Multiblade Screwdriver
Patentee:
Charles E. Billings - Hartford, CT

USPTO Classifications:
131/243, 15/104.011, 30/162, 30/296.1, 401/117, 403/108, 81/490

Tool Categories:
screwdrivers : screwdriver mechanisms

Assignees:
None

Manufacturer:
Billings & Spencer Co. - Hartford, CT

Witnesses:
Francis H. Richards
H. Mallner

Patent Dates:
Applied: Dec. 18, 1891
Granted: Mar. 15, 1892

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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"Vintage Machinery" entry for Billings & Spencer Co.
Description:
Original patent is for a hollow handled, sliding blade pocket knife. This patent was applied to a screwdriver manufactured by Billings & Spencer Co. Hartford, CT marked with Billings' patents of March 15, 1892 and Feb. 4, 1896 554,046. Billings also had a later knife patent in 1908.

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