Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5547875 | Recalibrating apparatus and method | John David Petty | 1996-08-20 |
| 5080866 | Analytic appparatus and method | John David Petty, Denis R. Sweatman | 1992-01-14 |
| 5040898 | Mixing apparatus and method | Denis R. Sweatman, John David Petty | 1991-08-20 |