Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 847,774
Screw Driver
Screw Holding Screwdriver
Patentee:
Clemence E. Hoffman (exact or similar names) - Thomaston, CT

USPTO Classifications:
81/448

Tool Categories:
screwdrivers : screwdriver blades

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Salmio Stocktan
Thomas H. Genezebach
Patent Dates:
Applied: Feb. 16, 1906
Granted: Mar. 19, 1907

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Steve Gosselin
Description:
Screw Holding screwdriver used used with a special double slotted screwdriver.

Copyright © 2002-2025 - DATAMP