CK

Calvin S. Krupa

📍 Greenfield, MN: #3 of 7 inventorsTop 45%
🗺 Minnesota: #2,843 of 7,373 inventorsTop 40%
Overall (2019): #519,553 of 560,194Top 95%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10464732 Air tight gas circulating container Michael Jacobs 2019-11-05