Simon J. Harrison

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Callander, CA

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Patents Grantslast 30 patents

Information Patent Grant
Vibrator core drilling apparatus
- Patent number 5,601,152
- Issue date Feb 11, 1997
- Boart Longyear Inc.
- Simon J. Harrison
- E21 - EARTH DRILLING MINING
Information Patent Grant
Overcenter toggle latch apparatus
- Patent number 5,325,930
- Issue date Jul 5, 1994
- Longyear Company
- Simon J. Harrison
- E21 - EARTH DRILLING MINING