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US Patent: 334,387
Pipe Wrench
Improvements in Pipe-Tongs
Patentee:
Henry L. Housholder (exact or similar names) - Hebron, IL

USPTO Classifications:
30/183, 81/361

Tool Categories:
wrenches : pipe wrenches : pipe tongs

Assignees:
Henry L. Housholder - Hebron, IL
Henry R. Baldwin - Hebron, IL

Manufacturer:
Not known to have been produced

Witnesses:
F. E. Gratton
Henry R. Baldwin
F. L. Ourand
E. H. Johnson
Patent Dates:
Applied: Nov. 05, 1885
Granted: Jan. 12, 1886

Patent Pictures:
Henry L. Housholder patent January 12, 1886
USPTO (New site tip)
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Description:
A cam surface on the back face of the swinging handle provides the adjusting force for the sliding jaw.

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