Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 577,255
Wrench
Patentee:
Bernard Herstein (exact or similar names) - Elizabeth, NJ

USPTO Classifications:
279/112, 81/111, 81/163

Tool Categories:
wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John Becker
Palmer Coolidge
E. C. Barr
S. Samuelson

Patent Dates:
Applied: Jun. 19, 1896
Granted: Feb. 16, 1897

Patent Pictures:
Bernard Herstein patent February 16, 1897
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz
Description:
Swivel jaw open end wrench to allow a half turn, and then swing the handle up over the work piece to allow another half turn without removing the wrench from the work piece. Fixed and adjustable jaw variants and handle variations are shown.

Copyright © 2002-2024 - DATAMP