DR

David C. Randolph

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #3,702,655 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5835322 Ground fault interrupt circuit apparatus for 400-Hz aircraft electrical systems Donald E. Smith, John F. Rix, Ray E. Freudenberg 1998-11-10