Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9943718 | Methods and apparatus to power an exercise machine | John Wong, Ferdinand David, Ming Jiang | 2018-04-17 |
| 9737746 | Methods and apparatus to power an exercise machine | John Wong, Ferdinand David, Ming Jiang | 2017-08-22 |
| 9579534 | Methods and apparatus to power an exercise machine | John Wong, Ferdinand David, Ming Jiang | 2017-02-28 |
| 6443875 | Treadmill motor control | Emil Golen, Young Chul Kim, Kenneth F. Lantz | 2002-09-03 |
| 4600356 | Underground pipeline and cable detector and process | Jack E. Bridges, Kenneth E. Hofer | 1986-07-15 |