Goran Frennesson

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Lund, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method of etching copper on cards
- Patent number 7,767,074
- Issue date Aug 3, 2010
- Obducat AB
- Gust Bierings
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of etching, as well as frame element, mask and prefabricated...
- Patent number 6,656,341
- Issue date Dec 2, 2003
- Obducat Aktiebolag
- Per Petersson
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method of etching copper on cards
- Publication number 20050082257
- Publication date Apr 21, 2005
- Gust Bierings
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Method of etching, as well as frame element, mask and prefabricated...
- Publication number 20020086240
- Publication date Jul 4, 2002
- Per Petersson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR