William A. Muller

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Fillmore, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Mold stripping equipment for manufacture of prestressed concrete poles
- Patent number 5,240,395
- Issue date Aug 31, 1993
- Ameron, Inc.
- James F. O'Conner
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Compound fluted mold for casting prestressed concrete lamp poles
- Patent number 5,178,887
- Issue date Jan 12, 1993
- Ameron, Inc.
- James F. O'Conner
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method and apparatus for making welded tapered tubes
- Patent number 4,971,239
- Issue date Nov 20, 1990
- Ameron, Inc.
- Truett Tyler
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...