Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5959221 | Automatic closed tube sampler | Robert R. Boyd, Brad W. Filkins, Mark E. Holubar, Steven Zimmerman, Mark Montognese +2 more | 1999-09-28 |
| 5861563 | Automatic closed tube sampler | Robert R. Boyd, Brad W. Filkins, Mark E. Holubar, Steven Zimmerman, Mark Montognese +2 more | 1999-01-19 |