Granted Patent
Utility
US 5,164,458 · App. 07/413,948
High performance engineering polymer compositions
Inventors:
Thomas C. Jennings, David M. Tanno
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Sep 28, 1989
Inventors
Thomas C. Jennings
David M. Tanno
Assignee (at issue)
Synthetic Products 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.