Granted Patent
Utility
US 4,607,073 · App. 06/699,399
Molding polyamide composition
Inventors:
Takeshi Sakashita, Hidehiko Hashimoto, Takayuki Nakano
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Feb 7, 1985
Inventors
Takeshi Sakashita
Hidehiko Hashimoto
Takayuki Nakano
Assignee (at issue)
Mitsui Petrochemical Industries, 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.