KB

Keith Billings

SS Sierra Applied Sciences: 3 patents #3 of 4Top 75%
Overall (All Time): #759,834 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6366029 Lamp ballast for reducing interference current 2002-04-02
6326737 Current fed parallel resonant ballast 2001-12-04
6107751 Current fed, parallel resonant ballast 2000-08-22
5882492 A.C. plasma processing system Barry W. Manley 1999-03-16
5815388 Polarity reversing circuit having energy compensation Barry W. Manley, Lance Collins 1998-09-29
5682067 Circuit for reversing polarity on electrodes Barry W. Manley 1997-10-28
4353113 Switch mode converters 1982-10-05