Membership
Tour
Register
Log in
Frank A. Betron
Follow
Person
Plano, TX, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Platen cover
Patent number
4,449,811
Issue date
May 22, 1984
The Mead Corporation
Frank A. Betron
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY