Granted Patent
Utility
US 6,297,321 · App. 09/457,811
Extrudable polyurethane compositions and methods
Inventors:
Kemal Onder, George H. Loeber, Joseph J. Vontorcik, Jr.
Patented Case
View Patent ↗
Granted: Oct 2, 2001
Filed: Dec 9, 1999
Inventors
Kemal Onder
George H. Loeber
Joseph J. Vontorcik, Jr.
Assignee (at issue)
B. F. Goodrich Company
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.