DD

David Duff

HU Hoover Universal: 1 patents #98 of 278Top 40%
VA Varian: 1 patents #283 of 684Top 45%
WE Wet Enterprises: 1 patents #9 of 21Top 45%
Overall (All Time): #1,621,389 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6203173 Lighting assembly having above water and underwater operational capabilities Mark Fuller, Robert Backman 2001-03-20
5705928 Sample delivery system used in chemical analysis methods which employs pressurized gas for sample conveyance Ronald L. Haner, Christopher Kellogg 1998-01-06
4398312 Sofa bed overdeck assembly 1983-08-16