Membership
Tour
Register
Log in
Ronald A. Shirley
Follow
Person
La Habra, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Variable resistance device
Patent number
3,932,831
Issue date
Jan 13, 1976
Spectrol Electronics Corporation
Ronald A. Shirley
H01 - BASIC ELECTRIC ELEMENTS