Gordhan M. Patel

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Cerritos, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Mine roof support plate
- Patent number D258718
- Issue date Mar 31, 1981
- Kaiser Steel Corporation
- Alvaro L. Collin
- D08 - Tools and hardware
Information Patent Grant
Mine roof support plate
- Patent number 4,112,693
- Issue date Sep 12, 1978
- Kaiser Steel Corporation
- Alvaro L. Collin
- E21 - EARTH DRILLING MINING