Granted Patent
Utility
US 5,642,867 · App. 08/471,469
Aerodynamic lifting and control surface and control system using same
Inventor:
Ralph H. Klestadt
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Jun 6, 1995
Inventor
Ralph H. Klestadt
Assignee (at issue)
Hughes Missile Systems Company
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.