IP Library › Granted Patent US 4,680,859
Granted Patent Utility
US 4,680,859 · App. 06/915,292

Thermal ink jet print head method of manufacture

Inventor: Samuel A. Johnson
Patented Case View Patent ↗
Granted: Jul 21, 1987 Filed: Oct 3, 1986
Inventor
Samuel A. Johnson
Assignee (at issue)
Hewlett-Packard Company, L.P.

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Quick Facts
Patent No.
US 4,680,859
App. No.
06/915,292
Filed
1986-10-03
Granted
1987-07-21
Kind
A