Granted Patent
Utility
US 4,355,155 · App. 06/196,958
Thermoplastic copolyester elastomer
Inventor:
Suzanne B. Nelsen
Patented Case
View Patent ↗
Granted: Oct 19, 1982
Filed: Oct 14, 1980
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.