Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10435906 | Flood protection for underground air vents | Louis A. Waters, Jr. | 2019-10-08 |
| 10435907 | Flood protection for underground air vents | Louis A. Waters, Jr. | 2019-10-08 |
| 10435908 | Flood protection for underground air vents | Louis A. Waters, Jr. | 2019-10-08 |
| 10435909 | Flood protection for underground air vents | Louis A. Waters, Jr. | 2019-10-08 |
| 10435910 | Flood protection for underground air vents | Louis A. Waters, Jr. | 2019-10-08 |