Granted Patent
Utility
US 4,417,520 · App. 06/139,947
Sequential time discrimination system for sub-delivery systems
Inventor:
Inge Maudal
Patented Case
View Patent ↗
Granted: Nov 29, 1983
Filed: Apr 14, 1980
Inventor
Inge Maudal
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.