Howard W. Grivna

📍 Maple Grove, MN: #31 of 111 inventorsTop 30%

🗺 Minnesota: #1,405 of 4,663 inventorsTop 35%

Overall (2004): #207,027 of 270,089Top 80%

Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6769958	Material removal monitor	—	2004-08-03