Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D704046 | Seismic fuse | Colin Rogers | 2014-05-06 |
| 5992553 | Pedal power sensor and human powered vehicle drive augmentation responsive to cyclic pedal power input | — | 1999-11-30 |
| 4552088 | Vehicle gearshift indicator | — | 1985-11-12 |
| 4526036 | Cadence meter | — | 1985-07-02 |
| 4423630 | Cyclic power monitor | — | 1984-01-03 |
| 4417757 | Recording disc handling device | — | 1983-11-29 |
| 4382543 | Acoustic control for zone heat control system | — | 1983-05-10 |
| 4364512 | Zone heat control | — | 1982-12-21 |