IP Library › Granted Patent US 4,772,238
Granted Patent Utility
US 4,772,238 · App. 07/139,568

Foil mask stretching apparatus and process

Inventors: Karl H. Horn, Paul Strauss
Patented Case View Patent ↗
Granted: Sep 20, 1988 Filed: Dec 30, 1987
Inventors
Karl H. Horn
Paul Strauss
Assignee (at issue)
Zenith Electronics LLC

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Quick Facts
Patent No.
US 4,772,238
App. No.
07/139,568
Filed
1987-12-30
Granted
1988-09-20
Kind
A