JM

Jeffrey David McCallum

📍 Buffalo, MN: #2 of 11 inventorsTop 20%
🗺 Minnesota: #695 of 2,841 inventorsTop 25%
Overall (1994): #117,092 of 165,921Top 75%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5331826 Ice rink making equipment and process for resurfacing ice Patrick J. Stockhaus 1994-07-26