Granted Patent
Utility
US 4,405,749 · App. 06/385,165
Thermoplastic elastomer compositions
Inventor:
Suzanne B. Nelsen
Patented Case
View Patent ↗
Granted: Sep 20, 1983
Filed: Jun 4, 1982
Inventor
Suzanne B. Nelsen
Assignee (at issue)
GAF Corporation
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.