Granted Patent
Utility
US 5,579,368 · App. 08/235,268
Device for monitoring a switch
Inventor:
Paul E. Van Berkum
Patented Case
View Patent ↗
Granted: Nov 26, 1996
Filed: Apr 29, 1994
Inventor
Paul E. Van Berkum
Assignee (at issue)
Rockwell International 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.