Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6712898 | Perlite products with controlled particle size distribution | Bo Wang, Christopher Simon Hayward, John Roulston | 2004-03-30 |
| 6712974 | Filterable composite adsorbents | Timothy R. Smith, Jerome C. Shiuh, John Roulston | 2004-03-30 |