Granted Patent
Utility
US 5,976,458 · App. 08/582,438
Iron aluminide useful as electrical resistance heating elements
Inventors:
Vinod K. Sikka, Seetharama C. Deevi, Grier S. Fleischhauer, Mohammad R. Hajaligol, A. Clifton Lilly, Jr.
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Jan 3, 1996
Inventors
Vinod K. Sikka
Seetharama C. Deevi
Grier S. Fleischhauer
Mohammad R. Hajaligol
A. Clifton Lilly, Jr.
Assignee (at issue)
Philip Morris Inc.
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.