Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8461438 | Harp stand and methods of use thereof | David Steffens, Michael K. Stewart, II | 2013-06-11 |
| 7994407 | Harp stand and methods of use thereof | David Steffens, Michael K. Stewart, II | 2011-08-09 |