Granted Patent
Utility
US 4,795,673 · App. 06/924,174
Composite material of discontinuous silicon carbide particles and continuous silicon matrix and method of producing same
Inventors:
Francis J. Frechette, Martin R. Kasprzyk, Douglas J. McDowell, Joseph S. Zanghi
Patented Case
View Patent ↗
Granted: Jan 3, 1989
Filed: Oct 28, 1986
Inventors
Francis J. Frechette
Martin R. Kasprzyk
Douglas J. McDowell
Joseph S. Zanghi
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.