Robert Keith Stoddard Jr.

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Plug valve with an internal check valve
- Patent number 8,960,223
- Issue date Feb 24, 2015
- Tapco International Corporation
- Robert Keith Stoddard
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...