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US Patent: 568,284
Wrench
Patentee:
George L. Seymour - Philadelphia, PA

USPTO Classifications:
81/129.5, 81/164, 81/DIG.3

Tool Categories:
wrenches : wrench components : wrench adjustment locks
wrenches : wrench adjustment types : screw adjust wrenches

Assignees:
George L. Seymour - Philadelphia, PA
Charles L. Dexter - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
Will A. Barr
H. S. Turner
Jos. H. Klein

Patent Dates:
Applied: Mar. 03, 1896
Granted: Sep. 22, 1896

Patent Pictures:
George L. Seymour patent September 22, 1896
USPTO pdf tiff
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Description:
The patent is for a screw and pin or screw and ball adjustment lock; three alternate forms are shown in the drawings and discussed in the specifications.

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