Dennis Wayne Barshter

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Shamong, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Biofiltration apparatus and method with chemical pre-treatment of c...
- Patent number 5,861,303
- Issue date Jan 19, 1999
- Envirogen, Inc.
- Dennis Wayne Barshter
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Biofilter with modular panels and method of using the same
- Patent number 5,821,114
- Issue date Oct 13, 1998
- Envirogen, Inc.
- Dennis Wayne Barshter
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL