John L. Marquesen

SI Spearhead Industries: 1 patents #3 of 3Top 100%

📍 Minnetonka, MN: #676 of 1,057 inventorsTop 65%

🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%

Overall (All Time): #4,026,118 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D281679	Tandem sled	—	1985-12-10