Gordon J. Black

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Nuevo, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of casting beveled pipe
- Patent number 4,101,622
- Issue date Jul 18, 1978
- Ameron, Inc.
- Frank M. Wells
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Facing ring and pouring chute for vertically cast concrete pipe
- Patent number 3,942,936
- Issue date Mar 9, 1976
- Ameron, Inc.
- Frank M. Wells
- B28 - WORKING CEMENT, CLAY, OR STONE