Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5911264 | Hinge pin ramp, retainer and doorstop for a frame door | Alex K. Tang, Paul Van Leeuwen | 1999-06-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5911264 | Hinge pin ramp, retainer and doorstop for a frame door | Alex K. Tang, Paul Van Leeuwen | 1999-06-15 |