BALDWIN Co
BALDWIN CoActive Patents
0
Total Holdings
13
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2586664A | Musical instrument employing continuously moving members | Expired / Lapsed | 1948-07-20 | 1952-02-19 | 0 | Details |
| US2576760A | System for the production and use of electric oscillations … | Expired / Lapsed | 1949-09-22 | 1951-11-27 | 0 | Details |
| US2575230A | Electrically noiseless progressive contact means | Expired / Lapsed | 1948-07-03 | 1951-11-13 | 0 | Details |
| US2558659A | Switch device | Expired / Lapsed | 1948-05-29 | 1951-06-26 | 0 | Details |
| US2439392A | Generation of tones in photoelectric musical instruments | Expired / Lapsed | 1946-08-05 | 1948-04-13 | 0 | Details |
| US2400309A | Oscillation generator | Expired / Lapsed | 1941-10-31 | 1946-05-14 | 0 | Details |
| US2342286A | Oscillation generating system | Expired / Lapsed | 1941-10-01 | 1944-02-22 | 0 | Details |
| US2328282A | Electrical musical instrument | Expired / Lapsed | 1941-04-23 | 1943-08-31 | 0 | Details |
| US2230429A | Means for generating electric oscillations | Expired / Lapsed | 1939-04-11 | 1941-02-04 | 0 | Details |
| US2215124A | Electrical contact | Expired / Lapsed | 1938-08-02 | 1940-09-17 | 0 | Details |
| US2179791A | Stabilized oscillation generator | Expired / Lapsed | 1937-03-17 | 1939-11-14 | 0 | Details |
| US2178381A | Abrading device | Expired / Lapsed | 1938-04-26 | 1939-10-31 | 0 | Details |
| US2128367A | Electrical musical instrument of the type employing gaseous… | Expired / Lapsed | 1935-12-11 | 1938-08-30 | 0 | Details |