Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11338698 | Method and apparatus for an active convertor dolly | Brian Layfield | 2022-05-24 |
| 11279255 | Methods and apparatus for an active convertor dolly | Brian Layfield, Brian Fan, John L. Loewen | 2022-03-22 |