Toffolon; Roger L.

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Plainville, CT, US

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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
Precast concrete structural unit and composite wall structure
- Patent number 4,372,091
- Issue date Feb 8, 1983
- Atlantic Pipe Corporation
- William L. Brown
- E04 - BUILDING

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