| 3002164 | High frequency transmission line coupling device | 1961-09-26 | ||
| 2956143 | Microwave ovens | 1960-10-11 | ||
| 2794185 | Antenna systems | 1957-05-28 | ||
| 2716694 | Combination electric and ultra-high frequency heating apparatus | 1955-08-30 | ||
| 2585563 | Wave filter | 1952-02-12 | ||
| 2241119 | Ultra-short-wave apparatus | 1941-05-06 | ||
| 2106771 | Ultrahigh frequency signaling | 1938-02-01 |