ORS Development Corporation

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Tulsa, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Heating system for rathole oil well
- Patent number 4,821,798
- Issue date Apr 18, 1989
- ORS Development Corporation
- Jack E. Bridges
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for forming an insulated oil well casing
- Patent number 4,793,409
- Issue date Dec 27, 1988
- ORS Development Corporation
- Jack E. Bridges
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mineral well heating systems
- Patent number 4,790,375
- Issue date Dec 13, 1988
- ORS Development Corporation
- Jack E. Bridges
- E21 - EARTH DRILLING MINING

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