Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605914 | Robotic toy modular system | David G. Duff, Samuel B. Homans, Kimon Roufas, John Suh | 2003-08-12 |
| 6603281 | High mechanical advantage ratcheting apparatus | David G. Duff | 2003-08-05 |
| 6575802 | Robotic toy modular system with distributed program | Samuel B. Homans, David G. Duff, Kimon Roufas, John Suh | 2003-06-10 |