WD

Wayne Duderwick

CE Ceres: 1 patents #70 of 97Top 75%
Overall (All Time): #3,589,079 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6265884 Electrical conductivity gem tester Solomon Menashi, David J. Barrett, Randolph M. Bogdan 2001-07-24