Granted Patent
Utility
US 5,013,813 · App. 07/452,158
Polyurea elastomer with rapid dry time
Inventors:
Robert L. Zimmerman, Dudley J. Primeaux, II
Patented Case
View Patent ↗
Granted: May 7, 1991
Filed: Dec 18, 1989
Inventors
Robert L. Zimmerman
Dudley J. Primeaux, II
Assignee (at issue)
Texaco Chemical 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.