Granted Patent
Utility
US 4,701,427 · App. 06/789,066
Sintered silicon carbide ceramic body of high electrical resistivity
Inventors:
Wolfgang D. G. Boecker, Laurence N. Hailey, Carl H. McMurtry
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: Oct 17, 1985
Inventors
Wolfgang D. G. Boecker
Laurence N. Hailey
Carl H. McMurtry
Assignee (at issue)
Stemcor Corporation
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.