Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7381669 | Hydroentangled filter media and method | Sergio deLeon, Michael Putnam, Cheryl Carlson, Ping Hao | 2008-06-03 |
| 7015158 | Hydroentangled filter media and method | Sergio De Leon, Michael Putnam, Cheryl Carlson, Ping Hao | 2006-03-21 |
| 4722172 | Harvesters | — | 1988-02-02 |