DH

David J. Hobson

XO Xomox: 2 patents #12 of 35Top 35%
Overall (All Time): #2,296,150 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5335692 Valve having rotatable cage Everett J. DeJager 1994-08-09
4518149 Valve assembly and method of making same John F. Gardner 1985-05-21