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Calumet Carton Company
3 patents in portfolio
US12404075
utility
2025
Blank and Paperboard Envelope Formed Therefrom
0 cites
US12017826
utility
2024
Tamper-evident Paperboard Food Container
0 cites
US11572218
utility
2023
Blank and Paperboard Envelope Formed Therefrom
0 cites