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US Patent: 1,078,059
Frank Mossberg - Attleboro, MA

USPTO Classifications:
81/177.85, 81/63

Tool Categories:
wrenches : ratchet wrenches

Frank Mossberg Co. - unk., RI

Frank Mossberg Co. - Attleboro, MA

Robert E. Lanphear
Albert G. Pieczentkowski
L. M. Clark
Walter I. Tuttle

Patent Dates:
Applied: Oct. 19, 1912
Granted: Nov. 11, 1913

Patent Pictures: [ 1 | 2 ]
Frank Mossberg Pat. Nov. 11, 1913
USPTO pdf tiff
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The rotating ratchet head has a "keeper ball" in its inner surface. The outer case is two stamped steel pieces. The ratchet mechanism includes a "reversing" button. The actual reversing mechanism on the produced wrench is slightly different than that shown in the patent drawing. Used for the Mossberg No. 350 ratchet. The thin flat appearance of the ratchet was to facilitate it being included in a boxed set along with the sockets, extension bar, universal joint and other accessories.

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