BALDWIN PIANO Co
BALDWIN PIActive Patents
0
Total Holdings
16
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3084585A | Simulated multiple rate gyrating modulator | Expired / Lapsed | 1959-12-11 | 1963-04-09 | 2 | Details |
| US3043962A | Optical encoder | Expired / Lapsed | 1959-08-18 | 1962-07-10 | 0 | Details |
| US3041568A | Renewable switch construction | Expired / Lapsed | 1959-08-07 | 1962-06-26 | 0 | Details |
| US3040322A | Device and method for producing code members | Expired / Lapsed | 1958-08-15 | 1962-06-19 | 0 | Details |
| US3020534A | Optical encoder | Expired / Lapsed | 1958-04-10 | 1962-02-06 | 0 | Details |
| US3004460A | Audio modulation system | Expired / Lapsed | 1956-12-31 | 1961-10-17 | 0 | Details |
| US2994621A | Semi-conductive films and methods of producing them | Expired / Lapsed | 1956-03-29 | 1961-08-01 | 2 | Details |
| US2964986A | Push button chord derivation and apparatus | Expired / Lapsed | 1956-05-10 | 1960-12-20 | 0 | Details |
| US2959693A | Key switching system for electrical musical instruments | Expired / Lapsed | 1955-12-30 | 1960-11-08 | 0 | Details |
| US2949539A | Optical encoder | Expired / Lapsed | 1956-11-21 | 1960-08-16 | 0 | Details |
| US2918576A | Percussive circuit and assembly | Expired / Lapsed | 1956-11-13 | 1959-12-22 | 0 | Details |
| US2916706A | Audio modulator | Expired / Lapsed | 1956-12-31 | 1959-12-08 | 0 | Details |
| US2910684A | Data conversion system | Expired / Lapsed | 1955-04-25 | 1959-10-27 | 0 | Details |
| US2888632A | Transistor current regulating circuits | Expired / Lapsed | 1956-08-23 | 1959-05-26 | 0 | Details |
| US2839960A | Electronic synchronizing system for producing pitch discs a… | Expired / Lapsed | 1949-12-30 | 1958-06-24 | 0 | Details |
| US2801342A | Preamplifier for photoelectric musical instruments | Expired / Lapsed | 1951-08-04 | 1957-07-30 | 0 | Details |