Siegfried Weitbrecht

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Aalen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Electrical rechargeable battery in the form of a button cell
- Patent number 6,312,848
- Issue date Nov 6, 2001
- Varta Geratebatterie GmbH
- Manfred Kilb
- H01 - BASIC ELECTRIC ELEMENTS