Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 499,919
Adjustable Wrench
Patentees:
Willard H. Griffin (exact or similar names) - Henniker, NH
Elmer P. Nichols (exact or similar names) - Henniker, NH

USPTO Classifications:
81/116

Tool Categories:
wrenches : socket wrenches
wrenches : brace wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. B. Howe
Frank A. Merrill
Carrie E. Evans
J. B. Thurston

Patent Dates:
Applied: Mar. 17, 1893
Granted: Jun. 20, 1893

Patent Pictures:
William H. Griffin and Elmer P. Nichols patent June 20, 1893
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz
Description:
Adjustable brace socket wrench. The jaws move in slots in the frame, and are spread with a coil spring.

Parallel patent 499,920 has a more robust appearance.

Copyright © 2002-2024 - DATAMP