Granted Patent
Utility
US 6,023,213 · App. 09/372,370
Relocatable knob retention for magnetically actuated switch
Inventor:
Anthony J. Van Zeeland
Patented Case
View Patent ↗
Granted: Feb 8, 2000
Filed: Aug 11, 1999
Inventor
Anthony J. Van Zeeland
Assignee (at issue)
Duraswitch Industries, Inc.
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.