Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11780102 | Folding knife with replaceable blade | David R. Bloch, Chen Haisheng | 2023-10-10 |
| 11707857 | Knife with replaceable blade | David R. Bloch, Chen Haisheng | 2023-07-25 |
| 11084177 | Folding knife with replaceable blade | David R. Bloch, Chen Haisheng | 2021-08-10 |
| 10518425 | Folding knife with replaceable blade | David R. Bloch, Chen Haisheng | 2019-12-31 |
| 9687987 | Folding knife with replaceable blade | David R. Bloch, Chen Haisheng | 2017-06-27 |