Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9623551 | Automotive creeper and a mechanics chair assembly including the same | Richard Mark Spring | 2017-04-18 |
| 9126326 | Attachment device for an automotive creeper and mechanics chair using the same | Richard Mark Spring | 2015-09-08 |