Membership
Tour
Register
Log in
Richard J. Hughes
Follow
Person
Mt. Prospect, IL, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for cleaning film
Patent number
4,244,078
Issue date
Jan 13, 1981
Research Technology, Inc.
Richard J. Hughes
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY