John L. Greak

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Process to produce water repellent fabrics
- Patent number 5,268,004
- Issue date Dec 7, 1993
- Shell Oil Company
- John L. Greak
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Water repellent fabrics
- Patent number 5,164,253
- Issue date Nov 17, 1992
- Shell Oil Company
- John L. Greak
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...