Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5949662 | No-break power supply | Karl Büttner, Roland Humpfner, Karl Fleisch | 1999-09-07 |
| 5933331 | Battery coupling apparatus | Karl Fischer | 1999-08-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5949662 | No-break power supply | Karl Büttner, Roland Humpfner, Karl Fleisch | 1999-09-07 |
| 5933331 | Battery coupling apparatus | Karl Fischer | 1999-08-03 |