Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679101 | Walker apparatus with left and right foot belts | — | 1997-10-21 |
| 5607376 | Convertible treadmill apparatus with left and right foot belts | — | 1997-03-04 |
| 5538489 | Walker apparatus with left and right foot belts | — | 1996-07-23 |
| 5411279 | Multiple-belt conveying apparatus with flat top surface | — | 1995-05-02 |
| D344258 | Rearview mirror | — | 1994-02-15 |
| 5243152 | Sound anti-muffler for a sound generator | — | 1993-09-07 |
| 4629433 | Inflatable articles and method of making same | — | 1986-12-16 |
| 4391062 | Inflatable articles | — | 1983-07-05 |
| 4335536 | Inflatable throwing toy | Wang Cheng Chung | 1982-06-22 |
| 4318244 | Inflatable throwing toy | Wang Cheng Chung | 1982-03-09 |
| 4291487 | Inflatable article with external means to control internal movement | — | 1981-09-29 |