Membership
Tour
Register
Log in
Leonard Weiss
Follow
Person
Grayslake, IL, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Transformerless clock circuit with duplex optoelectronic display
Patent number
4,697,930
Issue date
Oct 6, 1987
Spartus Corporation
Patrick S. Roberts
G04 - HOROLOGY