Jean L. Dufresne

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St-Bruno, CA

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Patents Grantslast 30 patents

Information Patent Grant
Capping board with pultruded filling bars
- Patent number 5,645,701
- Issue date Jul 8, 1997
- Jean L. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Non conductive edge strip for use on an electrolytic metal refining...
- Patent number 4,749,464
- Issue date Jun 7, 1988
- Technical Plastic T-R Ltd.
- Jean L. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR