Robert A. McPherson

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Las Cruces, NM, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for purification of trivalent chromium electroplating baths
- Patent number 5,178,746
- Issue date Jan 12, 1993
- Bio-Recovery Systems, Inc.
- Dennis W. Darnall
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Rapid, ambient-temperature process for stripping gold bound to acti...
- Patent number 5,176,886
- Issue date Jan 5, 1993
- Bio-Recovery Systems, Inc.
- Dennis W. Darnall
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Removal of metal ions with immobilized metal ion-binding microorgan...
- Patent number 5,055,402
- Issue date Oct 8, 1991
- Bio-Recovery Systems, Inc.
- Benjamin Greene
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Composition for extraction of metal ions and oxanions
- Patent number 4,992,207
- Issue date Feb 12, 1991
- Bio-Recovery Systems, Inc.
- Dennis W. Darnall
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...