Granted Patent
Utility
US 6,004,647 · App. 08/888,431
Polymer blend
Inventors:
John D. Bambara, Matthew L. Kozma, Todd Cagwin, Robert F. Hurley
Patented Case
View Patent ↗
Granted: Dec 21, 1999
Filed: Jul 7, 1997
Inventors
John D. Bambara
Matthew L. Kozma
Todd Cagwin
Robert F. Hurley
Assignee (at issue)
Sentinel Products Corp.
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.