Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4594570 | Elevator control | Richard C. McCarthy | 1986-06-10 |
| 4286583 | Solar heater unit | David C. Dunn | 1981-09-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4594570 | Elevator control | Richard C. McCarthy | 1986-06-10 |
| 4286583 | Solar heater unit | David C. Dunn | 1981-09-01 |