Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4283915 | Hydraulic fluid generator | David P. McConnell, Jr. | 1981-08-18 |
| 4253380 | Rotary manifold valve mechanism | David P. McConnell, Jr. | 1981-03-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4283915 | Hydraulic fluid generator | David P. McConnell, Jr. | 1981-08-18 |
| 4253380 | Rotary manifold valve mechanism | David P. McConnell, Jr. | 1981-03-03 |