Granted Patent
Utility
US 5,019,308 · App. 06/869,463
Method of making a PTFE based tape suitable for impregnation into a porous metal matrix
Inventors:
George C. Pratt, Michael D. Montpetit
Patented Case
View Patent ↗
Granted: May 28, 1991
Filed: May 28, 1986
Inventors
George C. Pratt
Michael D. Montpetit
Assignee (at issue)
Federal-Mogul LLC
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.