Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8562853 | Tracer-containing compositions | Thomas J. Leck, Allen Capron Sievert | 2013-10-22 |
| 7641809 | Tracer-containing compositions | Thomas J. Leck, Allen Capron Sievert | 2010-01-05 |