Leif B. Sorensen

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St. Joseph, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Cook-in package and method of making same
- Patent number 5,895,587
- Issue date Apr 20, 1999
- Cryovac, Inc.
- Leif B. Sorensen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Packing, method of manufacturing same, and strip material therefor
- Patent number 5,188,461
- Issue date Feb 23, 1993
- Schurpack, Inc.
- Leif B. Sorensen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method of manufacturing packing and strip material therefor
- Patent number 4,969,967
- Issue date Nov 13, 1990
- Schurpack, Inc.
- Leif B. Sorensen
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Packing, method of manufacturing same, and strip material therefor
- Patent number 4,925,318
- Issue date May 15, 1990
- Schurpack, Inc.
- Leif B. Sorensen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL