Granted Patent
Utility
US 5,348,909 · App. 08/038,205
Manufacture of printhead with diamond resistors
Inventor:
James Stasiak
Patented Case
View Patent ↗
Granted: Sep 20, 1994
Filed: Mar 26, 1993
Inventor
James Stasiak
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.