Granted Patent
Utility
US 4,346,049 · App. 05/930,435
Sintered alpha silicon carbide ceramic body having equiaxed microstructure
Inventors:
John A. Coppola, Laurence N. Hailey, Carl H. McMurtry
Patented Case
View Patent ↗
Granted: Aug 24, 1982
Filed: Jul 31, 1978
Inventors
John A. Coppola
Laurence N. Hailey
Carl H. McMurtry
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.