DL

Douglas E. Lien

CL Commercial Intertech Limited: 1 patents #3 of 11Top 30%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,295,051 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5320443 Connecting pin Roger W. D. Boeckers 1994-06-14
D268512 Hydraulic locking valve — 1983-04-05