Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815847 | Linear motor | John H. Boyd, Jr. | 2004-11-09 |
| 6811236 | Door opening and closing system | Keith Brookes Spong, Graeme Colin Fuller | 2004-11-02 |
| 6809434 | Linear motor | John H. Boyd, Jr. | 2004-10-26 |