Granted Patent
Utility
US 5,755,032 · App. 08/550,427
Method of forming an inkjet printhead with channels connecting trench and firing chambers
Inventors:
Yichuan Pan, Winthrop D. Childers
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Oct 30, 1995
Inventors
Yichuan Pan
Winthrop D. Childers
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.