Granted Patent
Utility
US 5,433,809 · App. 08/149,717
Method of manufacturing a high density ink jet printhead
Inventors:
John R. Pies, David B. Wallace, Donald J. Hayes
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Nov 9, 1993
Inventors
John R. Pies
David B. Wallace
Donald J. Hayes
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.