Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10822801 | Apparatus and methods for a noninvasive roof attachment system with vertical members | John Granville Holt | 2020-11-03 |
| 10815667 | Apparatus and methods for a noninvasive roof attachment system with vertical members | John Granville Holt | 2020-10-27 |
| 10640981 | Apparatus and methods for secure, non-invasive and non-permanent surface attachment systems | John Granville Holt | 2020-05-05 |