George Zugravu

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Methuen, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Integral hydrogen and air purifier
- Patent number 8,608,836
- Issue date Dec 17, 2013
- Parker-Hannifin Corporation
- Karen Girard
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Direct current hydrogen generator, system and method
- Patent number 5,840,172
- Issue date Nov 24, 1998
- Whatman Inc.
- George Zugravu
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
INTEGRAL HYDROGEN AND AIR PURIFIER
- Publication number 20110194989
- Publication date Aug 11, 2011
- Karen A. Girard
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL