Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8929060 | Audio visual enhancement apparatus | Lewis Dorsey Cox, Zachary A. Griggs | 2015-01-06 |
| 8669452 | Drum rug and gig bag in one | Zachary A. Griggs, Wesley McDonald | 2014-03-11 |
| 8520370 | Audio visual enhancement apparatus | Lewis Dorsey Cox, Zachary A. Griggs | 2013-08-27 |