Granted Patent
Utility
US 6,515,058 · App. 09/634,296
Polyamide resin composition
Inventors:
Hiroshi Tomiyama, Shinya Matsumoto
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Aug 9, 2000
Inventors
Hiroshi Tomiyama
Shinya Matsumoto
Assignee (at issue)
ASAHI KASEI KOGYO 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.