John Fast

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Littleton, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for removing metal contamination from soil
- Patent number 5,607,060
- Issue date Mar 4, 1997
- Henkel Corporation
- William E. Fristad
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Method and apparatus for removing metal contamination from soil
- Patent number 5,466,426
- Issue date Nov 14, 1995
- COGNIS, Inc.
- William E. Fristad
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Apparatus and process for recovering metal from an aqueous solution
- Patent number 5,454,917
- Issue date Oct 3, 1995
- COGNIS, Inc.
- Phillip L. Mattison
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE