Granted Patent
Utility
US 4,414,549 · App. 05/130,024
Method and apparatus for sensing a target
Inventor:
Gunter Wichmann
Patented Case
View Patent ↗
Granted: Nov 8, 1983
Filed: Mar 31, 1971
Inventor
Gunter Wichmann
Assignee (at issue)
Licentia Patent-Verwaltungs-GmbH
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.