Granted Patent
Utility
US 4,935,264 · App. 07/177,459
Transparent synthetic resin sheet or film, method for its production and applications thereof
Inventors:
Masaki Tsujino, Tadao Nakamura, Toshio Ichiki, Kazuhiko Kuga
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Apr 1, 1988
Inventors
Masaki Tsujino
Tadao Nakamura
Toshio Ichiki
Kazuhiko Kuga
Assignee (at issue)
ASAHI GLASS CO., LTD.
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.