3196243 | High frequency heating system | 1965-07-20 | ||
3177335 | Thermostat probe for combined uhf and infrared energy cooking oven | 1965-04-06 | ||
3081392 | High-frequency oven | 1963-03-12 | ||
3028472 | Timer systems for cooking apparatus, or the like | 1962-04-03 | ||
2648772 | Magnetron control circuits | 1953-08-11 | ||
2523684 | Stabilized oscillator system | 1950-09-26 |