Calvin S. Krupa

📍 Greenfield, MN: #3 of 3 inventorsTop 100%

🗺 Minnesota: #1,525 of 4,860 inventorsTop 35%

Overall (2003): #252,758 of 273,478Top 95%

Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6550630	Container for frozen cake batter	—	2003-04-22