Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D388519 | Pocket-size sanitation test kit | Richard T. Skiffington | 1997-12-30 |
| 5605812 | Test kit and method for the quantitative determination of coliform bacteria and E. coli | — | 1997-02-25 |