Granted Patent
Utility
US 4,977,013 · App. 07/202,763
Tranparent conductive coatings
Inventors:
Ian T. Ritchie, Wilfred C. Kittler, Jr.
Patented Case
View Patent ↗
Granted: Dec 11, 1990
Filed: Jun 3, 1988
Inventors
Ian T. Ritchie
Wilfred C. Kittler, Jr.
Assignee (at issue)
Andus 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.