IP Library Granted Patent US 4,516,140
Granted Patent Utility
US 4,516,140 · App. 06/565,570

Print head actuator for an ink jet printer

Inventors: David B. Durkee, James P. Koller, Robert M. Wentzel
Patented Case View Patent ↗
Granted: May 7, 1985 Filed: Dec 27, 1983
Inventors
David B. Durkee
James P. Koller
Robert M. Wentzel
Assignee (at issue)
AT&T Teletype Corporation

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

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Quick Facts
Patent No.
US 4,516,140
App. No.
06/565,570
Filed
1983-12-27
Granted
1985-05-07
Kind
A