Darrell Olson

📍 Princeton, MN: #3 of 8 inventorsTop 40%

🗺 Minnesota: #1,168 of 4,231 inventorsTop 30%

Overall (2005): #215,213 of 245,428Top 90%

Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6886507	Exhaust valve for two-cycle engine	—	2005-05-03