Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 442,710
Screw-Driver and Bit-Holder
Patentee:
Leonardo McKeel Marsh - Spaulding, NE

USPTO Classifications:
279/79, 279/89, 7/165, 7/167, 81/177.85, 81/436

Tool Categories:
woodworking tools : hand drills : drill accessories
screwdrivers

Assignees:
Leonardo McKeel Marsh - Spaulding, NE
G. N. Adams - Spaulding, NE
John W. Brady - Spaulding, NE

Manufacturer:
Not known to have been produced

Witnesses:
W. E. Hannon
C. J. Marsh

Patent Dates:
Applied: Mar. 22, 1890
Granted: Dec. 16, 1890

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
This device converts from a drill bit holder to a screwdriver by slipping a sleeved screwdriver bit over the drill bit onto the tapered square exterior of the drill bit socket.

Copyright © 2002-2019 - DATAMP