Granted Patent
Utility
US 5,796,368 · App. 08/639,914
Rugged, weather resistant parabolic dish
Inventor:
John Arthur
Patented Case
View Patent ↗
Granted: Aug 18, 1998
Filed: Apr 23, 1996
Inventor
John Arthur
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.