David L. Bigham

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Novice, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Batch sludge dehydrator
- Patent number 6,061,924
- Issue date May 16, 2000
- Rubicon Development Co. L.L.C.
- Danny R. Bolton
- F26 - DRYING
Information Patent Grant
Drying apparatus with rotatable housing
- Patent number 5,566,469
- Issue date Oct 22, 1996
- Fen-Tech Environmental, Inc.
- Danny R. Bolton
- F26 - DRYING