Granted Patent
Utility
US 6,170,936 · App. 09/359,878
Substrate heater circuit topology for inkjet printhead
Inventors:
Adam Jude Ahne, Brian Owens
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Jul 23, 1999
Inventors
Adam Jude Ahne
Brian Owens
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.