Granted Patent
Utility
US 4,623,879 · App. 06/766,281
System for verifying the position of a movable table
Inventor:
John W. Woestman
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Aug 16, 1985
Inventor
John W. Woestman
Assignee (at issue)
RCA 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.