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US Patent: 661,810
Frank Mossberg - Attleborough, MA

USPTO Classifications:
292/142, 292/39, 81/176

Tool Categories:
wrenches : wrench components : wrench jaw components
wrenches : bicycle or pocket wrenches

Frank Mossberg Company - Attleborough, MA

Frank Mossberg Company - Attleborough, MA

Benj. Arnold
E. S. Marsh
A. L. Makepeace

Patent Dates:
Applied: Sep. 11, 1900
Granted: Nov. 13, 1900

Patent Pictures:
Frank Mossberg Pat. November 13, 1900
USPTO pdf tiff
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The primary focus of this patent is the constituent parts of the movable jaw, which are described in considerable detail. This patent together with Mossberg's March 11, 1902 patent (no. 695,072) is the basis for an extensive series of adjustable wrenches.

Some were supplied as tool kit wrenches & bear the names of early automobile brands.

This patent is noted in Dwight B. Lee's June 3, 1902 patent (no. 701,584).

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