Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D309447 | Switch housing | — | 1990-07-24 |
| 4641013 | Dual stage thermostat and electric space heating system | Gerald Dunnigan | 1987-02-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D309447 | Switch housing | — | 1990-07-24 |
| 4641013 | Dual stage thermostat and electric space heating system | Gerald Dunnigan | 1987-02-03 |