Home
|
FAQ
Search:
Advanced
|
Person
|
Company
|
Type
|
Class
Login
Quick search:
Patent number:
Patent Date:
Patents for Emil A. Dapper
Patents 1 - 1 of 1
Number
Date
Patentee
Title
Type
194,221
Aug. 14, 1877
F.S. Clarkson
Improvement in cutter-heads for grooving and channeling
cutterheads
Toggle print mode
Show pictures
Copyright © 2002-2024 - DATAMP