Jon D. Dubois

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Continuous length of coilable tubing
- Patent number 5,191,911
- Issue date Mar 9, 1993
- Quality Tubing, Inc.
- Jon D. Dubois
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for producing continuous lengths of coilable t...
- Patent number 4,863,091
- Issue date Sep 5, 1989
- Quality Tubing, Inc.
- Jon D. Dubois
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR