Granted Patent
Utility
US 6,733,705 · App. 09/763,862
Blow molding method and blow molded product
Inventor:
Tomoyuki Obara
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Feb 28, 2001
Inventor
Tomoyuki Obara
Assignee (at issue)
Idemitsu Petrochemical 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.