Granted Patent
Utility
US 5,308,421 · App. 07/685,303
Method for forming fiber-reinforced glass composite protective layers on insulating bodies
Inventors:
Stephen T. Gonczy, Roger Leung
Patented Case
View Patent ↗
Granted: May 3, 1994
Filed: Apr 12, 1991
Inventors
Stephen T. Gonczy
Roger Leung
Assignee (at issue)
AlliedSignal, Inc.
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.