IP Library › Granted Patent US 4,236,834
Granted Patent Utility
US 4,236,834 · App. 05/946,710

Electrothermal printing apparatus

Inventors: Cameron H. Hafer, Clayton V. Wilbur
Patented Case View Patent ↗
Granted: Dec 2, 1980 Filed: Sep 28, 1978
Inventors
Cameron H. Hafer
Clayton V. Wilbur
Assignee (at issue)
International Business Machines Corporation

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Quick Facts
Patent No.
US 4,236,834
App. No.
05/946,710
Filed
1978-09-28
Granted
1980-12-02
Kind
A