Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9451782 | Depositing device | Roy B. Nelson, William Walter Coatesworth, John Howard Walker, Jonathan Sutton | 2016-09-27 |
| 8915402 | Depositing device | Roy B. Nelson, William Walter Coatesworth, John Howard Walker, Jonathan Sutton | 2014-12-23 |