Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D386237 | Double helix ladder | Kert E. Artwick, Wesley D. Sutton, Thomas Robert Norquist, Hollis Gentry | 1997-11-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D386237 | Double helix ladder | Kert E. Artwick, Wesley D. Sutton, Thomas Robert Norquist, Hollis Gentry | 1997-11-11 |