Granted Patent
Utility
US 6,369,692 · App. 09/569,600
Directionally sensitive switch
Inventor:
Anthony J. Van Zeeland
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: May 9, 2000
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.