Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5030254 | Lead-plate electric precipitator | Karl-Heinz Naumann, Horst Renneberg | 1991-07-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5030254 | Lead-plate electric precipitator | Karl-Heinz Naumann, Horst Renneberg | 1991-07-09 |