Home
|
FAQ
Search:
Advanced
|
Person
|
Company
|
Type
|
Class
Login
Quick search:
Patent number:
Patent Date:
Patents for George B. Richards
Patents 1 - 1 of 1
Number
Date
Patentee
Title
Type
1,157,179
Oct. 19, 1915
E.S. Pillsbury
Centrifugal circuit-changing device for electric motors
induction motors
Toggle print mode
Show pictures
Copyright © 2002-2024 - DATAMP
