Progressive Polymerics, Inc.

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Moonachie, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Conduits having a shock absorbing shell and method for their formation
- Patent number 5,312,658
- Issue date May 17, 1994
- Progressive Polymerics Inc.
- Frederick L. Griffith
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method for making conduits having a shock absorbing shell
- Patent number 5,217,667
- Issue date Jun 8, 1993
- Progressive Polymerics, Inc.
- Frederick L. Griffith
- B28 - WORKING CEMENT, CLAY, OR STONE

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