Granted Patent
Utility
US 4,756,895 · App. 06/899,523
Hexagonal silicon carbide platelets and preforms and methods for making and using same
Inventors:
Wolfgang D. G. Boecker, Stephen Chwastiak, Tadeusz M. Korzekwa, Sai-Kwing Lau
Patented Case
View Patent ↗
Granted: Jul 12, 1988
Filed: Aug 22, 1986
Inventors
Wolfgang D. G. Boecker
Stephen Chwastiak
Tadeusz M. Korzekwa
Sai-Kwing Lau
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.