Darrel W. Breitling

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Amarillo, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Production of copper rod by rolling
- Patent number 4,936,127
- Issue date Jun 26, 1990
- ASARCO Incorporated
- Darrel W. Breitling
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...