Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11007099 | Modular chair systems and methods of transporting a subject with a modular chair system | Kin Meng Choi, Mark Zerhusen | 2021-05-18 |
| 6017208 | Chain driven roller system for use in concrete pipe manufacturing | — | 2000-01-25 |