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US Patent: 475,450
Wrench
Patentee:
Silvanus Hussey - Brant, NY

USPTO Classifications:
81/170

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Theo. L. Popp
Emil Neuhart
Carl F. Geyer
Alice G. Connelly

Patent Dates:
Applied: Sep. 14, 1891
Granted: May 24, 1892

Patent Pictures: [ 1 | 2 ]
Silvanus Hussey patent May 24, 1892
USPTO pdf tiff
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Description:
Improvement to Hussey's January 20,1891 patent (no. 444,937).

Both sides have "hook" fixed jaws and toothed gripping pieces on the movable jaw.

The NIAGARA WRENCH COMPANY was incorporated at Albion, NY in December, 1892 under the laws of West Virginia in relation to the Hussey patents.

Martin Donnelly suggests the Hartford Hardware Company produced it, in his writeup for an example with the patent date the only visible marking. That wrench includes a combination screw / quick adjustment on the main shank and head features closer to the earlier Hussey patent (no. 444,937).

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