Junius L. Speights

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Bullet perforating apparatus, gun assembly and barrel
- Patent number 4,638,712
- Issue date Jan 27, 1987
- Dresser Industries, Inc.
- Manmohan S. Chawla
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sidewall sampling apparatus
- Patent number 4,280,568
- Issue date Jul 28, 1981
- Dresser Industries, Inc.
- William A. McPhee
- E21 - EARTH DRILLING MINING