Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10973208 | Inoculation systems for bee hives and related methods | Michael Collinson, Robert Moeller | 2021-04-13 |
| 4834454 | Office chair with tiltable seat and back | — | 1989-05-30 |
| 4828212 | Means for adjusting the vertical height of the seat of a chair | — | 1989-05-09 |
| 4756575 | Frame assembly for a chair | — | 1988-07-12 |