Granted Patent
Utility
US 4,934,241 · App. 07/119,375
Rocket exhaust deflector
Inventor:
Edward T. Piesik
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Nov 12, 1987
Inventor
Edward T. Piesik
Assignee (at issue)
General Dynamics Corp., Pomona 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.