Thomas J. Van Dan Elzen

📍 Oro Valley, AZ: #12 of 35 inventorsTop 35%

🗺 Arizona: #919 of 2,961 inventorsTop 35%

Overall (2011): #146,058 of 364,097Top 45%

Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7874891	Motorized yo-yo	Hans W. Van Dan Elzen	2011-01-25