W. L. Lennon

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Corsicana, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Whipstock starter mill assembly
- Patent number 5,431,220
- Issue date Jul 11, 1995
- Smith International, Inc.
- W. L. Lennon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Section mill with multiple cutting blades
- Patent number 5,074,355
- Issue date Dec 24, 1991
- MASX Energy Services Group, Inc.
- W. L. Lennon
- E21 - EARTH DRILLING MINING