Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10435529 | Air-permeable sponge composition and method for preparing air-permeable sponge by using the same | Bin Chen, Shaojing Guo, Suyu Guo, Xinhui Bi, Lei Guo | 2019-10-08 |
| 10080442 | Sleep support system and control method thereof | — | 2018-09-25 |
| 9133901 | Spiral air pressure spring | — | 2015-09-15 |
| 9103395 | Elasticity-adjustable air pressure spring | — | 2015-08-11 |
| 8985562 | Diameter-variable cylindrical air pressure spring | — | 2015-03-24 |