Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9481523 | Positive-drive spiral conveyor and belt | David W. Bogle | 2016-11-01 |
| 9394109 | Positive-drive spiral conveyor | David W. Bogle, Achraf Elhassouni, David A. Wickham | 2016-07-19 |