Granted Patent
Utility
US 4,862,021 · App. 07/131,079
Explosively driven power supply
Inventor:
Edward W. LaRocca
Patented Case
View Patent ↗
Granted: Aug 29, 1989
Filed: Dec 10, 1987
Inventor
Edward W. LaRocca
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.