Granted Patent
Utility
US 5,563,641 · App. 08/311,193
Removable orifice plate for ink jet printhead and securing apparatus
Inventor:
Boris Plesinger
Patented Case
View Patent ↗
Granted: Oct 8, 1996
Filed: Sep 23, 1994
Inventor
Boris Plesinger
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.