Edwin Kubena Jr.

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Richmond, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for stabilizing boreholes
- Patent number 5,211,250
- Issue date May 18, 1993
- Conoco Inc.
- Edwin Kubena
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of controlling lost circulation in well drilling
- Patent number 4,957,174
- Issue date Sep 18, 1990
- Conoco Inc.
- Donald L. Whitfill
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...