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US Patent: 145,085
Wrenches
Patentee:
W. Chaplin Bemis - Springfield, MA

USPTO Classifications:
81/185.1, 81/93

Tool Categories:
wrenches : pipe and nut combination wrenches

Assignees:
None

Manufacturer:
Bemis & Call Hardware & Tool Co. - Springfield, MA
Bemis and Call Company - Springfield, MA

Witnesses:
C. Eugene Buckland
John P. Wall
T. A. Curtis

Patent Dates:
Applied: Apr. 21, 1873
Granted: Dec. 02, 1873

Patent Pictures: [ 1 | 2 | 3 ]
W. Chaplin Bemis Pat. Dec. 2, 1873
USPTO pdf tiff
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Description:
Bemis' specifications recognize the A.B. Davis combination pipe and nut wrench (no. 94,085), but claim this design as an improvement on Bemis' Aug. 28, 1866 patent (no. 57,621). This patent was the basis for B&C pipe and nut wrenches for the remainder of the tool's production.

The nail-claw feature shown in the patent does not appear on known examples of the wrench.

Some examples of the B&C combination nut and pipe wrench also cite the McLaren patent (nos. 59,852 and RE8,064).

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