Jan J. Divis

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North Vancouver, CA

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Patents Grantslast 30 patents

Information Patent Grant
Measurement port coupler for use in a borehole monitoring system
- Patent number 6,302,200
- Issue date Oct 16, 2001
- Westbay Instruments, Inc.
- Franklin D. Patton
- E21 - EARTH DRILLING MINING
Information Patent Grant
In situ underground sample analyzing probe
- Patent number 6,196,064
- Issue date Mar 6, 2001
- Westbay Instruments, Inc.
- Franklin D. Patton
- E21 - EARTH DRILLING MINING
Information Patent Grant
System for individual inflation and deflation of borehole packers
- Patent number 6,192,982
- Issue date Feb 27, 2001
- Westbay Instruments, Inc.
- Jan J. Divis
- E21 - EARTH DRILLING MINING
Information Patent Grant
In situ borehole sample analyzing probe and valved casing coupler t...
- Patent number 6,062,073
- Issue date May 16, 2000
- Westbay Instruments, Inc.
- Franklin D. Patton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Measurement port coupler and probe interface
- Patent number 5,704,425
- Issue date Jan 6, 1998
- Westbay Instruments, Inc.
- Jan J. Divis
- E21 - EARTH DRILLING MINING