Granted Patent
Utility
US 5,867,082 · App. 08/924,334
Switch with magnetically-coupled armature
Inventor:
Anthony J. Van Zeeland
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Sep 5, 1997
Inventor
Anthony J. Van Zeeland
Assignee (at issue)
DURASWITCH
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.