R. James Downie

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Okotoks, CA

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Patents Grantslast 30 patents

Information Patent Grant
Pipe gripping device
- Patent number 6,227,306
- Issue date May 8, 2001
- Tesco Corporation
- R. James Downie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pipe gripping device
- Patent number 6,199,641
- Issue date Mar 13, 2001
- Tesco Corporation
- R. James Downie
- E21 - EARTH DRILLING MINING