Granted Patent
Utility
US 5,365,645 · App. 08/034,743
Methods of fabricating a page wide piezoelectric ink jet printhead assembly
Inventors:
Kelsey R. Walker, Carol C. Scalf, Daniel B. Granzow
Patented Case
View Patent ↗
Granted: Nov 22, 1994
Filed: Mar 19, 1993
Inventors
Kelsey R. Walker
Carol C. Scalf
Daniel B. Granzow
Assignee (at issue)
Compaq Computer 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.