Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6541569 | Polymer alloys, morphology and materials for environmental remediation | Stephen C. Stelpstra | 2003-04-01 |
| 6531059 | Suspended runoff water filter | Stephen C. Stelpstra | 2003-03-11 |