Granted Patent
Utility
US 5,084,713 · App. 07/593,443
Method and apparatus for cooling thermal ink jet print heads
Inventor:
Marvin Glenn Wong
Patented Case
View Patent ↗
Granted: Jan 28, 1992
Filed: Oct 5, 1990
Inventor
Marvin Glenn Wong
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.