IP Library › Granted Patent US 4,499,489
Granted Patent Utility
US 4,499,489 · App. 06/479,974

Production of screen printing blocks

Inventors: Winrich Gall, Klaus Wellendorf
Patented Case View Patent ↗
Granted: Feb 12, 1985 Filed: Mar 25, 1983
Inventors
Winrich Gall
Klaus Wellendorf
Assignee (at issue)
Dr. Ing. Rudolf Hell GmbH

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Quick Facts
Patent No.
US 4,499,489
App. No.
06/479,974
Filed
1983-03-25
Granted
1985-02-12
Kind
A