Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10136722 | Impact-absorbing tethering attachment | Earnest N. Copeland, Jr., Xiating Jiang, Donghua Wang | 2018-11-27 |
| 10045606 | Impact-absorbing tethering attachment | Earnest N. Copeland, Jr., Xiating Jiang, Donghua Wang | 2018-08-14 |
| 9878423 | Guard lock | Earnest N. Copeland, Jr. | 2018-01-30 |