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US Patent: 90,068
Plow Clevis
Patentee:
John Adolph Bilz - Pleasanton, CA

USPTO Classifications:
278/96.2

Tool Categories:
wrenches : auxiliary wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John L. Boone
W. Standiforth
Geo. H. Strong

Patent Dates:
Granted: May 18, 1869

Patent Pictures:
J.A. Bilz Pat. May 18, 1869
USPTO pdf tiff
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Description:
The focus of the patent is the adjustable front piece and the swivel. The wrench-headed pin shown in the drawing is mentioned in passing as a "screw."

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