Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5389266 | Method of removing zebra mussels from waterways and wetted surfaces | David N. Clum, Jewel R. Leak, Jr. | 1995-02-14 |
| 5294351 | Method for controlling zebra mussels in power and water plants | David N. Clum, Jewel R. Leak, Jr. | 1994-03-15 |