Granted Patent
Utility
US 4,460,417 · App. 06/436,035
Method of manufacturing insulating film and electric device utilizing the same
Inventors:
Katsumi Murase, Teruo Tamama, Yoshihito Amemiya, Yoshihiko Mizushima
Patented Case
View Patent ↗
Granted: Jul 17, 1984
Filed: Oct 22, 1982
Inventors
Katsumi Murase
Teruo Tamama
Yoshihito Amemiya
Yoshihiko Mizushima
Assignee (at issue)
Nippon Telegraph and Telephone Public 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.