Granted Patent
Utility
US 4,411,002 · App. 06/306,668
Method and apparatus for a continuously variable slope delta range extender
Inventor:
Robert L. Auger
Patented Case
View Patent ↗
Granted: Oct 18, 1983
Filed: Sep 29, 1981
Inventor
Robert L. Auger
Assignee (at issue)
Magnavox Government and Industrial Electronics 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.