Granted Patent
Utility
US 5,157,076 · App. 07/719,068
Thermoplastic elastomers with improved abrasion resistance
Inventors:
William S. Greenlee, Josef C. Vyvoda, Roman W. Wypart
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Jun 17, 1991
Inventors
William S. Greenlee
Josef C. Vyvoda
Roman W. Wypart
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.