C. R. Joelson

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Nokomis, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing a self aligning pipe with configured joint
- Patent number 4,686,756
- Issue date Aug 18, 1987
- C. R. Joelson
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Self aligning concrete pipe with configured joint
- Patent number 4,565,381
- Issue date Jan 21, 1986
- C. R. Joelson
- B28 - WORKING CEMENT, CLAY, OR STONE