IP Library Granted Patent US 4,559,112
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,559,112
App. No.
06/657,314
Filed
1984-10-02
Granted
1985-12-17
Kind
A