Granted Patent
Utility
US 5,742,305 · App. 08/376,320
PWA inkjet printer element with resident memory
Inventor:
David E. Hackleman
Patented Case
View Patent ↗
Granted: Apr 21, 1998
Filed: Jan 20, 1995
Inventor
David E. Hackleman
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.