Thomas J. Langston

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New Iberia, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydrostatic pressure responsive bypass safety switch
- Patent number 5,237,136
- Issue date Aug 17, 1993
- Thomas J. Langston
- F42 - AMMUNITION BLASTING
Information Patent Grant
Safety device to prevent premature firing of explosive well tools
- Patent number 5,165,489
- Issue date Nov 24, 1992
- Thomas J. Langston
- F42 - AMMUNITION BLASTING
Information Patent Grant
Safety switch for explosive well tools
- Patent number 4,967,048
- Issue date Oct 30, 1990
- Thomas J. Langston
- F42 - AMMUNITION BLASTING