Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 189,265
Improvement in Gimlets and Twist-Drills
Patentee:
Julius C. Richardson (exact or similar names) - Philadelphia, PA

USPTO Classifications:
72/371, 74/412, 76/108.6

Tool Categories:
tool making : making drills and augers
woodworking tools : hand drills : gimlets
woodworking tools : hand drills : drill bits : twist drill bits

Assignees:
Julius C. Richardson - Philadelphia, PA
Thomas Hooker - Syracuse, NY

Manufacturer:
Not known to have been produced

Witnesses:
John A. Wiedersheim
H. E. Hindmarsh

Patent Dates:
Applied: Sep. 07, 1876
Granted: Apr. 03, 1877

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin (dm)

Copyright © 2002-2024 - DATAMP