Rolf L. Ignell

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Divonne-les-Bains, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing packing containers
- Patent number 4,400,862
- Issue date Aug 30, 1983
- Tetra Pak Developpement SA
- Rolf L. Ignell
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Closing arrangement for packing containers
- Patent number 4,387,820
- Issue date Jun 14, 1983
- Tetra Pak Developpement SA
- Rolf L. Ignell
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Packing container
- Patent number 4,281,769
- Issue date Aug 4, 1981
- Tetra Pak Developpement SA
- Rolf L. Ignell
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Tear-up closing device for containers
- Patent number 4,243,152
- Issue date Jan 6, 1981
- Tetra Pak Developpement SA
- Rolf L. Ignell
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL