Home
|
FAQ
Search:
Advanced
|
Person
|
Company
|
Type
|
Class
Login
Quick search:
Patent number:
Patent Date:
Patents for William T. Powers
Patents 1 - 1 of 1
Number
Date
Patentee
Title
Type
431,139
Jul. 01, 1890
W. Curtiss
Machine for dressing the teeth of gear-wheels
gear making machines
Toggle print mode
Show pictures
Copyright © 2002-2024 - DATAMP