Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811594 | Filter materials and methods for the production thereof | John Gordon | 2004-11-02 |
| 6623548 | Filter materials and methods for the production thereof | John Gordon, Martyn Peter Kennaugh | 2003-09-23 |