Granted Patent
Utility
US 4,401,945 · App. 06/259,257
Apparatus for detecting the position of a probe relative to a workpiece
Inventor:
Richard O. Juengel
Patented Case
View Patent ↗
Granted: Aug 30, 1983
Filed: Apr 30, 1981
Inventor
Richard O. Juengel
Assignee (at issue)
The Valeron 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.