| 2638577 | Transducer | |||
| 2496484 | Magnetostrictive phonograph pickup | |||
| 2249835 | Magnetostrictive vibrator | |||
| 2153571 | Vibratory system for the transmission and reception of sound waves | |||
| 2076330 | Measurement of distances by echo reception methods | |||
| 1966446 | Impact tool | |||
| 1289418 | N/A | |||
| 1287982 | N/A | |||
| 0433702 | N/A |