Granted Patent
Utility
US 5,497,178 · App. 08/165,691
Multicolor liquid ink jet print head
Inventors:
Stephen Francis DeFosse, Ganesh Vinayak Phatak, Matthew C. Sauers
Patented Case
View Patent ↗
Granted: Mar 5, 1996
Filed: Dec 10, 1993
Inventors
Stephen Francis DeFosse
Ganesh Vinayak Phatak
Matthew C. Sauers
Assignee (at issue)
Lexmark International, Inc.
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.