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.