Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10704206 | Sub-irrigated tennis court | Sandra Humphreys Hunt, Derwood S. DeLong | 2020-07-07 |
| 10435851 | Sub-irrigated tennis court | Sandra Humphreys Hunt, Derwood S. DeLong | 2019-10-08 |