David Nickelson

📍 Forest Lake, MN: #81 of 310 inventorsTop 30%

🗺 Minnesota: #13,602 of 52,454 inventorsTop 30%

Overall (All Time): #977,122 of 4,157,543Top 25%

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
10870962	Floating debris remover	—	2020-12-22
10323376	Floating debris remover	—	2019-06-18
8074771	Safety ladder	—	2011-12-13
7377856	Playground apparatus	—	2008-05-27
5364313	Child entertainment device	—	1994-11-15