Granted Patent
Utility
US 6,476,835 · App. 09/852,863
Coplanar thin film printhead
Inventors:
Peter Philebrown, Igor Kubelik
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: May 10, 2001
Inventors
Peter Philebrown
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.