Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10302311 | Intake drain system and method | Terry E. Hill, Robert E. Cabrera | 2019-05-28 |
| 9631821 | Intake drain system and method | Terry E. Hill, Robert E. Cabrera | 2017-04-25 |
| 4893608 | Furnace roof jack with pivoting flashing plate | — | 1990-01-16 |