Granted Patent
Utility
US 4,559,112 · App. 06/657,314
Electrically conducting polymer film and method of manufacturing the same
Inventors:
Toshiaki Tamamura, Osamu Niwa
Patented Case
View Patent ↗
Granted: Dec 17, 1985
Filed: Oct 2, 1984
Inventors
Toshiaki Tamamura
Osamu Niwa
Assignee (at issue)
NIPPON TELEGRAPH AND TELEPHONE 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.