Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 9,457
Screwdriver
Patentee:
Jacob W. Switzer (exact or similar names) - Basil, OH

USPTO Classifications:
142/52, 81/453

Tool Categories:
screwdrivers
woodworking tools : braces

Assignees:
None

Manufacturer:
Unknown

Witnesses:
H. B. Apt
A. T. Mason
Patent Dates:
Granted: Dec. 07, 1852

Patent Pictures: [ 1 | 2 | 3 | 4 | 5 ]
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Steve Gosselin
Description:
Self holding screwdriver designed to be attached to a bitstock brace.

Known example is marked: PATENTED/DEC.7.1852 and JSW

Copyright © 2002-2024 - DATAMP