Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 963,986
Combination drill and valve-grinder
Patentee:
Frederick C. Blanchard - Bridgeport, CT

USPTO Classifications:
451/117, 74/318, 74/320, 74/323

Tool Categories:
woodworking tools : hand drills : eggbeater drills
woodworking tools : hand drills : breast drills

Assignees:
Ashcroft Manufacturing Co. - Bridgeport, CT

Manufacturer:
Ashcroft Manufacturing Co. - Bridgeport, CT

Witnesses:
W. R. Clark
James P. O'Neil

Patent Dates:
Applied: Jan. 20, 1910
Granted: Jul. 12, 1910

Patent Pictures: [ 1 | 2 ]
Blanchard 963,986; patent drawing's images rearranged
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
Blanchard describes his invention as a combination breast drill, reversible ratchet drill and valve grinder. I have one of these combo drills. It is the smoothest operating breast drill I have.

Copyright © 2002-2017 - DATAMP