DM

David M. Manson

SC S.P.M. Flow Control: 1 patents #45 of 71Top 65%
Overall (All Time): #3,095,129 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8668470 Offset valve bore for a reciprocating pump Jacob A. Bayyouk, Donald Mackenzie, John Bruce Clayfield Davies 2014-03-11