Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10385618 | Tunnelling machine | — | 2019-08-20 |
| 8196530 | Christmas tree supporting table | Elizabeth Van Dyk | 2012-06-12 |
| 7367631 | Method of and apparatus for breaking rock | — | 2008-05-06 |