Mark Girovich

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Baltimore, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for alkaline treatment of sewage sludge for beneficial use
- Patent number 5,679,262
- Issue date Oct 21, 1997
- Bio Gro Systems, Inc.
- Mark Girovich
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method for the treatment of sewage sludge and the like
- Patent number 5,435,923
- Issue date Jul 25, 1995
- Bio Gro Systems, Inc.
- Mark Girovich
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method and apparatus for the treatment of sewage sludge and the like
- Patent number 5,259,977
- Issue date Nov 9, 1993
- Bio Gro Systems, Inc.
- Mark Girovich
- C05 - FERTILISERS MANUFACTURE THEREOF