Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5615829 | Air conditioning system thermostat having adjustable cycling rate | — | 1997-04-01 |
| 5467920 | Thermostat with adjustment for the cycling rate of the heating plant | — | 1995-11-21 |
| 5262752 | Electrical switch having a two stage snap action interface for enhanced operation | Kenny Truong, Gerald W. Martin, Donald P. Kolbow, John Morgan Whitney | 1993-11-16 |
| 5154226 | Automatic changeover thermostat with single bi-metal and common set lever having individual heat and cool setpoint indicators | Donald P. Kolbow | 1992-10-13 |
| D316977 | Thermostat | Donald P. Kolbow | 1991-05-21 |
| 4932698 | Log-handling device | — | 1990-06-12 |