Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300670 | Luminaire | Robert L. Ewing, Douglas S. Hammond | 1989-04-11 |
| D300671 | Luminaire | Robert L. Ewing, Douglas S. Hammond, James L. Leary, David G. Meredith | 1989-04-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300670 | Luminaire | Robert L. Ewing, Douglas S. Hammond | 1989-04-11 |
| D300671 | Luminaire | Robert L. Ewing, Douglas S. Hammond, James L. Leary, David G. Meredith | 1989-04-11 |