Granted Patent
Utility
US 5,159,014 · App. 07/409,293
Thermoplastic elastomer composition and rubber parts of refrigerator having a layer composed of thermoplastic elastomer composition
Inventors:
Fumio Tsutsumi, Akihiko Morikawa, Mamoru Hasegawa, Noboru Oshima
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: Sep 19, 1989
Inventors
Fumio Tsutsumi
Akihiko Morikawa
Mamoru Hasegawa
Noboru Oshima
Assignee (at issue)
Japan Synthetic Rubber 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.