Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694020 | Apparatus for controlling battery discharge | Gerhard Lang | 1997-12-02 |
| 5679991 | Eccentric-and-oscillator engagement structure | — | 1997-10-21 |
| 5636800 | Process and device for the disposal and recycling of lamps | — | 1997-06-10 |
| 5623193 | Apparatus for controlling battery discharge | Gerhard Lang | 1997-04-22 |