Roger L. Toffolon

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Hartford, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Concrete pipe making machine with redensification apparatus
- Patent number 4,400,149
- Issue date Aug 23, 1983
- Toffolon; Roger L.
- Roger L. Toffolon
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Multi-part form with improved tie and stripping means
- Patent number 4,351,507
- Issue date Sep 28, 1982
- Doublewal Corporation
- Roger L. Toffolon
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Apparatus for precasting concrete products
- Patent number 4,251,196
- Issue date Feb 17, 1981
- Atlantic Pipe Corporation
- Roger L. Toffolon
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method for precasting concrete products
- Patent number 4,196,161
- Issue date Apr 1, 1980
- Atlantic Pipe Construction
- Roger L. Toffolon
- B28 - WORKING CEMENT, CLAY, OR STONE