Granted Patent
Utility
US 4,970,528 · App. 07/266,198
Method for uniformly drying ink on paper from an ink jet printer
Inventors:
Richard F. Beaufort, Paul R. Spencer
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: Nov 2, 1988
Inventors
Richard F. Beaufort
Paul R. Spencer
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.