Granted Patent
Utility
US 6,523,945 · App. 09/730,623
Bubble generator for an ink jet print cartridge
Inventors:
James Harold Powers, Matthew Russell
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Dec 6, 2000
Inventors
James Harold Powers
Matthew Russell
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.