CK

Calvin S. Krupa

UP Ultra Pac: 11 patents #1 of 1Top 100%
📍 Greenfield, MN: #1 of 2 inventorsTop 50%
🗺 Minnesota: #3 of 2,841 inventorsTop 1%
Overall (1994): #305 of 165,921Top 1%
11
Patents 1994

Issued Patents 1994

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
D352454 Pastry package 1994-11-15
D351999 Food package with hinged lid 1994-11-01
5356023 Rose box with interchangeable lid and base 1994-10-18
D349633 Lunch box 1994-08-16
D349050 Sandwich container 1994-07-26
D346554 Storage and display container for food 1994-05-03
D346552 Fruit clamshell container 1994-05-03
D345912 Container for baked food products 1994-04-12
D345894 Tray for baked goods 1994-04-12
D344660 Snack food container with lid 1994-03-01
D343576 Berry box 1994-01-25