John Howard C. Parent

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Brampton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Sample extraction system for boreholes
- Patent number 6,758,274
- Issue date Jul 6, 2004
- Solinst Canada Limited
- John Howard C. Parent
- E21 - EARTH DRILLING MINING
Information Patent Grant
Expandable borehole packer
- Patent number 6,581,682
- Issue date Jun 24, 2003
- Solinst Canada Limited
- John Howard Parent
- E21 - EARTH DRILLING MINING
Information Patent Grant
Packing system and method for boreholes
- Patent number 6,286,603
- Issue date Sep 11, 2001
- Solinst Canada Limited
- John Howard Parent
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Sample extraction system for boreholes
- Publication number 20020134556
- Publication date Sep 26, 2002
- John Howard C. Parent
- E21 - EARTH DRILLING MINING