Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8831853 | Slip or loss of traction detector using the third derivative of rotational speed difference | Andrew Wyllie Barrowman | 2014-09-09 |
| 5341410 | Cellular telephone locator using a mobile data system | James L. Troe | 1994-08-23 |