Granted Patent
Utility
US 5,719,603 · App. 08/611,967
Spittoon absorber wetting agent
Inventor:
Chan Nguyen
Patented Case
View Patent ↗
Granted: Feb 17, 1998
Filed: Mar 7, 1996
Inventor
Chan Nguyen
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.