Granted Patent
Utility
US 5,083,137 · App. 07/652,965
Energy control circuit for a thermal ink-jet printhead
Inventors:
Rajeev Badyal, Sam Mahjouri, Donald M. Reid, Michael Joseph Gilsdorf
Patented Case
View Patent ↗
Granted: Jan 21, 1992
Filed: Feb 8, 1991
Inventors
Rajeev Badyal
Sam Mahjouri
Donald M. Reid
Michael Joseph Gilsdorf
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.