Granted Patent
Utility
US 4,135,938 · App. 05/783,356
High density thermal shock resistant sintered silicon carbide
Inventors:
Yorihiro Murata, John A. Coppola, Carl H. McMurtry
Patented Case
View Patent ↗
Granted: Jan 23, 1979
Filed: Mar 31, 1977
Inventors
Yorihiro Murata
John A. Coppola
Carl H. McMurtry
Assignee (at issue)
Carborundum 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.