Home
|
FAQ
Search:
Advanced
|
Person
|
Company
|
Type
|
Class
Login
Quick search:
Patent number:
Patent Date:
US Patent: 475,560
Plug-Cutter
Patentee:
Ernst C. Heydenreich (
exact
or
similar
names) - Mount Clemens, MI
USPTO Classifications:
408/205
,
408/224
,
408/26
,
408/714
Tool Categories:
woodworking tools
:
hand drills
:
drill bits
:
hollow bits
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
James Whittemore
M. B. O'Dogherty
Patent Dates:
Applied:
Dec. 23, 1891
Granted:
May 24, 1892
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin (dm)
Copyright © 2002-2024 - DATAMP