Granted Patent
Utility
US 6,403,716 · App. 09/614,442
Thermoplastic rubber composition
Inventor:
Hajime Nishihara
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Jul 12, 2000
Inventor
Hajime Nishihara
Assignee (at issue)
ASAHI KASEI KABUSHIKI KAISHA
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.