Granted Patent
Utility
US 4,873,928 · App. 07/062,020
Nuclear-sized explosions without radiation
Inventor:
Frank E. Lowther
Patented Case
View Patent ↗
Granted: Oct 17, 1989
Filed: Jun 15, 1987
Inventor
Frank E. Lowther
Assignee (at issue)
Apti 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.