Granted Patent
Utility
US 5,147,721 · App. 07/377,165
Ceramic reinforced glass matrix
Inventors:
Kenneth S. Baron, Milton F. Custer, Andreas Hegedus
Patented Case
View Patent ↗
Granted: Sep 15, 1992
Filed: Jul 7, 1989
Inventors
Kenneth S. Baron
Milton F. Custer
Andreas Hegedus
Assignee (at issue)
Hexcel 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.