Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6752889 | Contoured layer channel flow filtration media | Todd W. Johnson | 2004-06-22 |
| 6743464 | Method of making electrets through vapor condensation | Randall L. Knoll | 2004-06-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6752889 | Contoured layer channel flow filtration media | Todd W. Johnson | 2004-06-22 |
| 6743464 | Method of making electrets through vapor condensation | Randall L. Knoll | 2004-06-01 |