Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 219,758
Pipe-Wrench
Patentee:
Royal R. Piper (exact or similar names) - East Saginaw, MI

USPTO Classifications:
81/68

Tool Categories:
wrenches : pipe wrenches : chain and strap wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Achilles Schehl
C. Sedgwick
A. J. Denton
J. Inglehart

Patent Dates:
Applied: Mar. 12, 1879
Granted: Sep. 16, 1879

Patent Pictures:
Royal R. Piper patent September 16. 1879
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz
Description:
A chain wrench with a wedge-lock for the pin holding the size adjustment. The specifications note the chain and gripping teeth could be padded with leather to prevent damage to polished or plated surfaces

Copyright © 2002-2024 - DATAMP