MWL Tool Company

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Midland, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Liner hanger assembly
- Patent number 5,181,570
- Issue date Jan 26, 1993
- MWL Tool Company
- Roger P. Allwin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Setting tool for a well tool
- Patent number 4,681,159
- Issue date Jul 21, 1987
- MWL Tool Company
- Roger P. Allwin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wiper plug cementing system and method of use thereof
- Patent number 4,671,358
- Issue date Jun 9, 1987
- MWL Tool Company
- Hiram E. Lindsey
- E21 - EARTH DRILLING MINING