Granted Patent
Utility
US 6,322,735 · App. 08/922,482
Method for molding thermoplastic resin
Inventors:
Hiroshi Yamaki, Yoshimasa Matsuura, Hiroshi Kataoka
Patented Case
View Patent ↗
Granted: Nov 27, 2001
Filed: Sep 3, 1997
Inventors
Hiroshi Yamaki
Yoshimasa Matsuura
Hiroshi Kataoka
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.