Granted Patent
Utility
US 6,501,494 · App. 09/852,426
Thin film printhead with layered dielectric
Inventor:
Igor Kubelik
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: May 9, 2001
Inventor
Igor Kubelik
Assignee (at issue)
Xerox Corporation
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.