Granted Patent
Utility
US 5,874,978 · App. 08/483,612
Method for filling and fabricating ink jet cartridge
Inventors:
David W. Swanson, Mindy A. Hamlin, James G. Salter
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Jun 7, 1995
Inventors
David W. Swanson
Mindy A. Hamlin
James G. Salter
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.