Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9719694 | Solar heat collecting element having an edge welded bellows assembly | David Velasco, John Ditri, Nancy E. Wasson | 2017-08-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9719694 | Solar heat collecting element having an edge welded bellows assembly | David Velasco, John Ditri, Nancy E. Wasson | 2017-08-01 |