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US Patent: 300,717
Wrench
Patentee:
Frank Waldo Merrick (exact or similar names) - Sandusky, OH

USPTO Classifications:
7/139, 81/162, 81/92, 81/DIG.5

Tool Categories:
wrenches : wrench combination tools
wrenches : wrench components

Assignees:
Frank Waldo Merrick - Sandusky, OH
Thomas Hickling - Sandusky, OH

Manufacturer:
Not known to have been produced

Witnesses:
John Morrow
E. H. Bates
S. S. Stanley
John A. Davis

Patent Dates:
Applied: Mar. 31, 1884
Granted: Jun. 17, 1884

Patent Pictures:
F. W. Merrick patent June 17, 1884
USPTO (New site tip)
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Description:
The parts are castings. The movable jaw is slid into place, after which a collar is shrunk around the handle to prevent its removal. The circular openings in the handle are bolt size gages; the end of the handle is a scraper or screwdriver. The adjusting worm has a cut-away thread portion to allow for quick and screw adjust. The movable jaw includes nut and pipe gripping functions.

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