Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5747710 | Pulse sensor clip | — | 1998-05-05 |
| 5644551 | Adaptable engine usage meter | Robert Legge | 1997-07-01 |
| 5337003 | Self-contained, clip-on engine operating time log | Robert Legge | 1994-08-09 |