Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4944924 | Test tube holder | James A. Mawhirt, William J. C. McCandless, George H. Ward | 1990-07-31 |
| 4861553 | Automatic sampling system | James A. Mawhirt, Luigi Cantatore, William J. C. McCandless, Marvin Trieb | 1989-08-29 |