Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6780226 | Charge stabilized electret filter media | Norman Lifshutz, Richard E. Gahan | 2004-08-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6780226 | Charge stabilized electret filter media | Norman Lifshutz, Richard E. Gahan | 2004-08-24 |