Groppel; Dieter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Groppel; Dieter.The latest application filed is for "method of producing a structural member formed of electrodes, cover layers and a support frame for fuel elements with a liquid electrolyte, and structural member produced by the method".
- Groppel; Dieter - Erlangen DT
| Patent | Date |
|---|---|
| Method Of Producing A Structural Member Formed Of Electrodes, Cover Layers And A Support Frame For Fuel Elements With A Liquid Electrolyte, And Structural Member Produced By The Method Grant 3,856,573 - Groppel December 24, 1 | 1974-12-24 |
| Rechargeable Metal Electrode For Storage Batteries And Metal-air Cells Grant 3,819,413 - Nippe , et al. June 25, 1 | 1974-06-25 |
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