| 3197591 | Thermostatic device having augmenting bimetallic coiled sections | 1965-07-27 | ||
| 3169239 | Circuit breaking receptacle | 1965-02-09 | ||
| 2997561 | Thermostat | 1961-08-22 | ||
| 2875348 | Photocell control apparatus | 1959-02-24 | ||
| 2753420 | Radiant heat detector | 1956-07-03 | ||
| 2496049 | Overload indicating safety switch | 1950-01-31 | ||
| 2452942 | Temperature alarm system | 1948-11-02 |