Granted Patent
Utility
US 5,107,129 · App. 07/533,230
Fiber optic solid/hybrid rocket motor grain regression rate sensor
Inventor:
Peter Lombrozo
Patented Case
View Patent ↗
Granted: Apr 21, 1992
Filed: Jun 4, 1990
Inventor
Peter Lombrozo
Assignee (at issue)
General Dynamics Corporation Space Systems Division
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.