Home
|
FAQ
Search:
Advanced
|
Person
|
Company
|
Type
|
Class
Login
Quick search:
Patent number:
Patent Date:
US Patent: 821,328
Hand-Operated Tool
Patentee:
Harry D. Bartlett (
exact
or
similar
names) - Chicago, IL
USPTO Classifications:
403/95
,
81/448
,
81/450
Tool Categories:
screwdrivers
:
screwdriver handles
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
G. L. Cragg
Leon Stroh
Patent Dates:
Applied:
Sep. 07, 1905
Granted:
May 22, 1906
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Steve Gosselin
Description:
References Marcus J. Bartlett's patent number
428662
.
Copyright © 2002-2024 - DATAMP