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US Patent: 697,977
Pipe-Wrench
Patentee:
George W. Bufford - Brooklyn, NY

USPTO Classifications:
81/99

Tool Categories:
wrenches : pipe wrenches

Assignees:
J. H. Williams & Co. - Brooklyn, NY

Manufacturer:
J. H. Williams & Co. - Brooklyn, NY

Witnesses:
M. E. Torrence
A. W. Houghton
F. W. Trabold
Geo. M. Russell

Patent Dates:
Applied: Jan. 27, 1902
Granted: Apr. 22, 1902

Patent Pictures:
George W. Bufford patent April 22. 1902
USPTO pdf tiff
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Description:
The pivoted hook jaw is maintained in gripping position by a compression spring in the back part of the shank. Used in conjunction with design patent no. D35,385 in the Williams Falcon Pipe Wrench.

Corresponding British patent GB-190208087 was registered April 7, 1902 to a British agent, with J.H. Williams & Co. as owner.

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