Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6439595 | Flip-down ball mount cover assembly | Calvin S. Wang | 2002-08-27 |
| 6412315 | Box hitch receiver lock | Calvin S. Wang | 2002-07-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6439595 | Flip-down ball mount cover assembly | Calvin S. Wang | 2002-08-27 |
| 6412315 | Box hitch receiver lock | Calvin S. Wang | 2002-07-02 |