David Nickelson

📍 Forest Lake, MN: #4 of 11 inventorsTop 40%

🗺 Minnesota: #695 of 2,841 inventorsTop 25%

Overall (1994): #144,573 of 165,921Top 90%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5364313	Child entertainment device	—	1994-11-15