Granted Patent
Utility
US 5,953,032 · App. 08/872,509
Method for forming and inspecting a barrier layer of an ink jet print cartridge
Inventors:
Leea Danielle Haarz, Tonya Harris Jackson, Jeanne Marie Saldanha Singh
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Jun 10, 1997
Inventors
Leea Danielle Haarz
Tonya Harris Jackson
Jeanne Marie Saldanha Singh
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.