Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D428783 | Container opening tool | Michael E. Hartman | 2000-08-01 |
| 5979252 | Scaleable static sample divider | James W. Stevenson, Michael E. Hartman | 1999-11-09 |
| 5893218 | Seed dryer with automatic control of temperature air flow direction and rate | James L. Hunter, Paul Chicoine | 1999-04-13 |