Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10398934 | Bicycling exercise apparatus | Colin Irving, John J. Harrington, Michael S. Lofgren | 2019-09-03 |
| 10278856 | Back traction device | Michael S. Lofgren, John J. Harrington | 2019-05-07 |