Herman Dykstra

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Contra Costa County, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Gravel packing system for a production radial tube
- Patent number 5,035,285
- Issue date Jul 30, 1991
- Petrolphysics Operators
- Ben W. O. Dickinson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Gravel packing system for a production radial tube
- Patent number 4,974,672
- Issue date Dec 4, 1990
- Petrolphysics Operators
- Ben W. O. Dickinson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Gravel packing system for a production radial tube
- Patent number 4,865,128
- Issue date Sep 12, 1989
- Petrolphysics Operators
- Ben W. O. Dickinson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Gravel packing system for a production radial tube
- Patent number 4,750,561
- Issue date Jun 14, 1988
- Dickinson; Ben Wade Oaks
- Ben W. O. Dickinson
- E21 - EARTH DRILLING MINING