Membership
Tour
Register
Log in
Walter C. Wollert
Follow
Person
Campbell, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Voice operated switch having an activation level which is higher th...
Patent number
4,119,797
Issue date
Oct 10, 1978
Technology Development Corporation
Walter C. Wollert
H04 - ELECTRIC COMMUNICATION TECHNIQUE