WD

Walter S. Duspiva

IBM: 2 patents #32,839 of 70,183Top 50%
Overall (All Time): #2,307,414 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5091837 Regulated power supply with electrically isolated control and variable impedance means in series with on-off control means John B. Gillett 1992-02-25
4965712 Transformer having plural-turn core John B. Gillett, James H. Spreen 1990-10-23