Membership
Tour
Register
Log in
Lee; Bernard W. N.
Follow
Organization
Gloucester, CA
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Film cassete spool with exposure indicator
Patent number
5,548,368
Issue date
Aug 20, 1996
Lee; Bernard W. N.
Bernard W. N. Lee
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY