IP Library › Granted Patent US 4,045,136
Granted Patent Utility
US 4,045,136 · App. 05/605,008

Control system for photographic film printers

Inventors: Charles J. Watson, Larry L. Langrehr
Patented Case View Patent ↗
Granted: Aug 30, 1977 Filed: Aug 15, 1975
Inventors
Charles J. Watson
Larry L. Langrehr
Assignee (at issue)
Bell and Howell, LLC

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Quick Facts
Patent No.
US 4,045,136
App. No.
05/605,008
Filed
1975-08-15
Granted
1977-08-30
Kind
A