Granted Patent
Utility
US 6,433,103 · App. 09/775,396
Method of producing polyethylene resins for use in blow molding
Inventors:
Gerhard Guenther, Lea Ann Nairn, Curt D. Clark, Ben Hicks, Ronald Tharappel, Tim Coffy
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Jan 31, 2001
Inventors
Gerhard Guenther
Lea Ann Nairn
Curt D. Clark
Ben Hicks
Ronald Tharappel
Tim Coffy
Assignee (at issue)
Fina Technology, Inc.
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.