Granted Patent
Utility
US 4,456,916 · App. 06/425,232
Ink jet cartridge with hydrostatic controller
Inventor:
Raymond H. Kocot
Patented Case
View Patent ↗
Granted: Jun 26, 1984
Filed: Sep 28, 1982
Inventor
Raymond H. Kocot
Assignee (at issue)
Burroughs, Inc.
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.