Granted Patent
Utility
US 6,107,377 · App. 09/154,720
Propylenic resin and blow molded article made therefrom
Inventors:
Tetsuya Nakamura, Masaya Tsubokawa
Patented Case
View Patent ↗
Granted: Aug 22, 2000
Filed: Sep 17, 1998
Inventors
Tetsuya Nakamura
Masaya Tsubokawa
Assignee (at issue)
Idemitsu Petrochemical 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.