Granted Patent
Utility
US 4,774,523 · App. 07/031,076
Method and apparatus for uniformly drying ink on paper from an ink jet printer
Inventors:
Richard F. Beaufort, Paul R. Spencer
Patented Case
View Patent ↗
Granted: Sep 27, 1988
Filed: Mar 25, 1987
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.