DI

David Irwin

VT Valence Technology: 1 patents #71 of 118Top 65%
Overall (All Time): #1,609,238 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6541155 Bicell battery apparatus Wade W. Guindy 2003-04-01
4798677 Filterator for separator 1989-01-17
4229860 Cattle skinning process and apparatus therefor 1980-10-28