Douglas E. Lien

CLCommercial Intertech Limited: 1 patents #3 of 11Top 30%

UNUnknown: 1 patents #29,356 of 83,584Top 40%

Blaine, MN: #283 of 570 inventorsTop 50%

Minnesota: #23,881 of 52,454 inventorsTop 50%

Overall (All Time): #2,295,051 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5320443	Connecting pin	Roger W. D. Boeckers	1994-06-14
D268512	Hydraulic locking valve	—	1983-04-05