Granted Patent
Utility
US 4,124,667 · App. 05/790,354
Process for producing sintered silicon carbide ceramic body
Inventors:
John A. Coppola, Laurence N. Hailey, Carl H. McMurtry
Patented Case
View Patent ↗
Granted: Nov 7, 1978
Filed: Apr 25, 1977
Inventors
John A. Coppola
Laurence N. Hailey
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.