Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9943718 | Methods and apparatus to power an exercise machine | John Wong, Ferdinand David, Ming Jiang | 2018-04-17 | $6,763,000 |
| 9737746 | Methods and apparatus to power an exercise machine | John Wong, Ferdinand David, Ming Jiang | 2017-08-22 | $8,629,000 |
| 9579534 | Methods and apparatus to power an exercise machine | John Wong, Ferdinand David, Ming Jiang | 2017-02-28 | $10,176,000 |
| 6443875 | Treadmill motor control | Emil Golen, Young Chul Kim, Kenneth F. Lantz | 2002-09-03 | $7,900,000 |
| 4600356 | Underground pipeline and cable detector and process | Jack E. Bridges, Kenneth E. Hofer | 1986-07-15 |