DW

David Roy Withers

PL Perkins Limited: 1 patents #3 of 13Top 25%
Overall (All Time): #3,719,216 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5644280 Method of operating a two-coil solenoid valve Colin John Wilson, Ewan Stuart Bewley 1997-07-01