Granted Patent
Utility
US 6,007,022 · App. 08/967,052
Internal combustion catapult
Inventor:
Clinton W. Stallard, III
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Nov 10, 1997
Inventor
Clinton W. Stallard, III
Assignee (at issue)
Newport News Shipbuilding
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.