Granted Patent
Utility
US 4,516,159 · App. 06/471,616
Elevation step scanner
Inventor:
Neal Diepeveen
Patented Case
View Patent ↗
Granted: May 7, 1985
Filed: Mar 3, 1983
Inventor
Neal Diepeveen
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.