Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4262705 | Internal support structure for heat exchanger | David Robert Skinner, Lawrence L. Bethel | 1981-04-21 |
| 4246872 | Heat exchanger tube support | David Robert Skinner, Robert Alan Cerrone | 1981-01-27 |