Inventor
RICHARDS JR FRANCIS S
US4 patents
Patents
4 patentsUS5185684AFeb 9, 1993
Frequency selective arc detection
EATON CORP159 citations98
US5185686AFeb 9, 1993
Direction sensing arc detection
EATON CORP135 citations97
US5185687AFeb 9, 1993
Chaos sensing arc detection
EATON CORP142 citations97
US5907267AMay 25, 1999
Photoelectric auxiliary switch for electromagnetic contactor
EATON CORP26 citations91