Granted Patent
Utility
US 5,546,744 · App. 08/410,334
Pulse detonation apparatus with spherical seals
Inventors:
Don D. Winfree, Louis G. Hunter, Jr.
Patented Case
View Patent ↗
Granted: Aug 20, 1996
Filed: Mar 24, 1995
Inventors
Don D. Winfree
Louis G. Hunter, Jr.
Assignee (at issue)
LOCKHEED MARTIN CORPORATION
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.