Richard F. Hansen

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

📍 Eugene, OR: #610 of 1,137 inventorsTop 55%

🗺 Oregon: #17,068 of 28,073 inventorsTop 65%

Overall (All Time): #4,078,306 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4358138	Ski pole with foot rest and ski lift chair engaging means	James L. Laughlin	1982-11-09