Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677186 | Method of identifying chemicals by use of non-radioactive isotopes | David K. Anderson, Nicholas Valenti | 1997-10-14 |
| 5677187 | Tagging chemical compositions | David K. Anderson, Nicholas Valenti | 1997-10-14 |