Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10547168 | Anti-theft enclosure and cover | Wiley R. Tipton, John Thomas Polk, Greg Glenn Isaacson, Michael Edward Fisher | 2020-01-28 |
| 10479563 | Utility anti-theft enclosure | John Thomas Polk, Greg Glenn Isaacson | 2019-11-19 |
| 10010002 | Anti-theft insert for underground enclosure | John Thomas Polk, Charles Cramer | 2018-06-26 |