Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8453824 | Connection arrangements for mine conveyor sections | Michael R. Walker | 2013-06-04 |
| 8104607 | Connection arrangements for mine conveyor sections | Michael R. Walker | 2012-01-31 |
| 8074792 | Connection arrangements for mine conveyor sections | Michael R. Walker | 2011-12-13 |