Granted Patent
Utility
US 6,635,737 · App. 09/865,290
Polymers derived from low unsaturation polyamines
Inventors:
Donald A. Upson, Omar Tiba, Robert M. Loomis
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: May 25, 2001
Inventors
Donald A. Upson
Omar Tiba
Robert M. Loomis
Assignee (at issue)
The Williamette Valley Company LLC
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.