Granted Patent
Utility
US 5,145,633 · App. 07/647,874
Blow molding a container having three handles
Inventor:
George W. Hawkins
Patented Case
View Patent ↗
Granted: Sep 8, 1992
Filed: Jan 30, 1991
Inventor
George W. Hawkins
Assignee (at issue)
W.R. Grace & Co. Conn.
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.