Granted Patent
Utility
US 4,774,046 · App. 06/916,206
Method of molding a synthetic resin container
Inventor:
Makoto Watanabe
Patented Case
View Patent ↗
Granted: Sep 27, 1988
Filed: Oct 7, 1986
Inventor
Makoto Watanabe
Assignee (at issue)
Chugoku Pearl & 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.