Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5468382 | Depth filter media | Kenneth Roy Weight, Richard Gutman, Roger A. Buttery, Michael Grimes | 1995-11-21 |
| 5279731 | Depth filter media | Kenneth Roy Weight, Richard Gutman, Roger A. Buttery | 1994-01-18 |