Granted Patent
Utility
US 5,731,394 · App. 08/826,415
Modified polytetrafluoroethylene fine powder
Inventors:
Theodore A. Treat, Satish C. Malhotra
Patented Case
View Patent ↗
Granted: Mar 24, 1998
Filed: Mar 27, 1997
Inventors
Theodore A. Treat
Satish C. Malhotra
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.