Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 484,634
Ratchet Pipe And Nut Wrench
Patentee:
Isaac Clinton Gray (exact or similar names) - Ilion, IN

USPTO Classifications:
81/357

Tool Categories:
wrenches : pipe wrenches

Assignees:
Isaac Clinton Gray - Ilion, IN
Josephus S. Tilton - Norwalk, OH

Manufacturer:
Not known to have been produced

Witnesses:
F. L. Ourand
J. Gregory
Melvin H. Summy
Artemus C. Mannaring

Patent Dates:
Applied: Jun. 24, 1892
Granted: Oct. 18, 1892

Patent Pictures:
Isaac Clinton Gray patent October 18, 1892
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz
Description:
The movable lever handle has a ratchet pawl that advances the sliding movable jaw. Relaxing the grip on the lever handle may allow the overall grip of the wrench to relax.

Copyright © 2002-2024 - DATAMP