Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669761 | Air filter having electrostatically active nonwoven fabric inliners and their use | Wolfram Schultheiss, Silke Frank | 2003-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669761 | Air filter having electrostatically active nonwoven fabric inliners and their use | Wolfram Schultheiss, Silke Frank | 2003-12-30 |