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US Patent: 1,393,920
Nipple Grip
Patentee:
William P. Strickland - Chicago, IL

USPTO Classifications:
269/243, 81/118, 81/120, 81/DIG.7

Tool Categories:
wrenches : spoke nipple wrenches

Assignees:
None

Manufacturer:
Unknown

Witnesses:
none listed

Patent Dates:
Applied: Nov. 20, 1920
Granted: Oct. 18, 1921

Patent Pictures: [ 1 | 2 ]
William P. Strickland patent Oct. 18, 1921
USPTO pdf tiff
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Description:
Resilience of "U" shaped frame opens jaws; wing nut and bolt close them. Some known examples marked "PATENT 1921."

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