Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7028914 | Piano humidistat | Robert W. Mair | 2006-04-18 |
| 5903223 | Humidifier control system | — | 1999-05-11 |
| 4292612 | Remotely switchable residential circuit breaker | — | 1981-09-29 |
EH
E. Keith Howell
Overall (All Time): #1,592,515 of 4,157,543Top 40%
3
Patents All Time