Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 278,261
Screw-driver
Patentee:
Christopher H. Olson - Decatur, IL

USPTO Classifications:
74/127

Tool Categories:
screwdrivers : screwdriver mechanisms : spiral screwdrivers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
L. P. Graham
W. D. Kunkle

Patent Dates:
Applied: Dec. 02, 1881
Granted: May 22, 1883

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
Information taken from Clifford D. Fales' database.

One of four spiral screwdriver patents by same patentee as the commonly observed DECATUR COFFIN CO. screwdriver; see patent 306,096.

Copyright © 2002-2017 - DATAMP