Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5377595 | Spring-supported electric contact device for toy vehicle and track assemblies | — | 1995-01-03 |
TL
Ting Nan Liu
Zhuhai Ding Rong Plastic Products Co.: 15 patents #1 of 3Top 35%
Ionic Materials: 4 patents #4 of 11Top 40%
Voith Patent Gmbh: 1 patents #277 of 717Top 40%
Overall (All Time): #151,622 of 4,157,543Top 4%
26
Patents All Time