Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6073802 | Emergency closure gate | Greg Myers, Brian E. Koster | 2000-06-13 |
| 5209183 | Portable feeder apparatus | — | 1993-05-11 |
| 4508238 | Newspaper vending machine | Nathan Johnson, James D. Sampson | 1985-04-02 |