Granted Patent
Utility
US 4,698,481 · App. 06/843,788
Method for preventing decomposition of silicon carbide articles during high temperature plasma furnace sintering
Inventors:
Jonathan J. Kim, Joel D. Katz
Patented Case
View Patent ↗
Granted: Oct 6, 1987
Filed: Mar 25, 1986
Inventors
Jonathan J. Kim
Joel D. Katz
Assignee (at issue)
Kennecott Holdings 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.