DW

Don Winnike

OV Orbit Valve: 2 patents #3 of 4Top 75%
Overall (All Time): #2,292,869 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5294090 Valve snubber 1994-03-15
5263685 Valve seat Filiberto Jimenez 1993-11-23