involving laminating the expanded core

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Patents Grantslast 30 patents

Information Patent Grant
3810800
- Patent number 3,810,800
- Issue date May 14, 1974
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
3642550
- Patent number 3,642,550
- Issue date Feb 15, 1972
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
3416983
- Patent number 3,416,983
- Issue date Dec 17, 1968
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
3413177
- Patent number 3,413,177
- Issue date Nov 26, 1968
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
3257253
- Patent number 3,257,253
- Issue date Jun 21, 1966
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD