Granted Patent
Utility
US 5,682,188 · App. 08/407,301
Printhead with unpassivated heater resistors having increased resistance
Inventors:
Neal Meyer, Eric G. Hanson, Alfred I-Tsung Pan, Glenn W. Weberg
Patented Case
View Patent ↗
Granted: Oct 28, 1997
Filed: Mar 16, 1995
Inventors
Neal Meyer
Eric G. Hanson
Alfred I-Tsung Pan
Glenn W. Weberg
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.