Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12362655 | System and method for vertical power delivery to electronic systems | Minjie Chen, Charles R. Sullivan, Youssef Elasser, Jaeil Baek, Yenan Chen | 2025-07-15 |
| 12115110 | Manual wheelchair propulsion system | Samuel D. Traxinger, Mark E. Greig, Jefferey Bashian | 2024-10-15 |
| 8469383 | Midwheel drive wheelchair with independent front and rear suspension | Mark A. Jackson, John J. Tarter, Mark E. Greig, Rex W. Stevens, James M. Koerlin +2 more | 2013-06-25 |
| 8210556 | Midwheel drive wheelchair with independent front and rear suspension | Mark A. Jackson, John J. Tarter, Mark E. Greig, Rex W. Stevens, James M. Koerlin +2 more | 2012-07-03 |
| 8113531 | Personal mobility vehicle having a pivoting suspension with a torque activated release mechanism | Mark A. Jackson, John J. Tarter, Mark E. Greig, Rex W. Stevens, James M. Koerlin +2 more | 2012-02-14 |
| 7896394 | Midwheel drive wheelchair with independent front and rear suspension | Mark A. Jackson, John J. Tarter, Mark E. Greig, Rex W. Stevens, James M. Koerlin +2 more | 2011-03-01 |
| 7222881 | Stop for an anti-tip wheel for a wheelchair | — | 2007-05-29 |