Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 290,218
Attachment for Screwdrivers
Screw holding screwdriver
Patentee:
Charles W. Drake (exact or similar names) - Pittsburg, Allegheny County, PA

USPTO Classifications:
279/37, 81/455

Tool Categories:
screwdrivers : screwdriver mechanisms

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William H. Lewis
A. C.S. Wilson

Patent Dates:
Applied: Jun. 21, 1883
Granted: Dec. 18, 1883

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Steve Gosselin

Copyright © 2002-2024 - DATAMP