Membership
Tour
Register
Log in
John W. Kraus
Follow
Person
Teaneck, NJ, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Display with changeable characters
Patent number
4,411,084
Issue date
Oct 25, 1983
Trans-World Manufacturing Corp.
John W. Kraus
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS