Granted Patent
Utility
US 4,473,830 · App. 06/457,772
Ink jet print head
Inventors:
Michael J. Piatt, Mark C. Bowers, Mark E. Brown
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Jan 13, 1983
Inventors
Michael J. Piatt
Mark C. Bowers
Mark E. Brown
Assignee (at issue)
EASTMAN KODAK COMPANY
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.