Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4558306 | Contact monitor-annunciator | — | 1985-12-10 |
| 4189091 | Furnace having a normally closed blower relay | Gary W. Ballard | 1980-02-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4558306 | Contact monitor-annunciator | — | 1985-12-10 |
| 4189091 | Furnace having a normally closed blower relay | Gary W. Ballard | 1980-02-19 |