James R. Martin

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Hartsville, SC, US

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Patents Grantslast 30 patents

Information Patent Grant
Concrete column forming tube having a smooth inside coated surface
- Patent number 5,874,016
- Issue date Feb 23, 1999
- Sonoco Products Company
- Robert D. Bacon
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Single-ply paperboard tube and method of forming same
- Patent number 5,586,963
- Issue date Dec 24, 1996
- Sonoco Products Company
- George E. Lennon
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD