Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5505951 | Cockroach attractant | Wendell L. Roelofs, Coby Schal, Francis X. Webster, Aijun Zhang | 1996-04-09 |
| 5296220 | Cockroach attractant | Wendell L. Roelofs, Coby Schal, Francis X. Webster, Aijun Zhang | 1994-03-22 |