Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5980787 | Protective element for an electro-chemical accumulator and process for its fabrication | Arnold Van Zyl, Josef Ritter, Reinhold Hilpert | 1999-11-09 |
| 5811207 | Charge exchange body with large active surface and a method for manufacture thereof | Aronld van Zyl, Josef Ritter, Reinhold Hilpert | 1998-09-22 |
| 5567546 | Ion conductor for electrochemical cells | Josef Michel | 1996-10-22 |
| 5549981 | Electrochemical storage device | Robert A. Huggins | 1996-08-27 |