MEAF Machinerieen en Apparaten Fabrieken NV
MEAF MachiActive Patents
0
Total Holdings
12
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB440238A | Improvements in or relating to arrangements for the conduct… | Expired / Lapsed | 1935-04-27 | — | 0 | Details |
| GB429783A | Improvements in electrical distributive circuits | Expired / Lapsed | 1933-12-29 | — | 0 | Details |
| US2128233A | Electron tube | Expired / Lapsed | 1935-03-01 | 1938-08-30 | 0 | Details |
| US2128232A | Electron tube | Expired / Lapsed | 1935-01-23 | 1938-08-30 | 0 | Details |
| US2128231A | High frequency oscillator tube | Expired / Lapsed | 1934-10-11 | 1938-08-30 | 0 | Details |
| US2114232A | Searchlight | Expired / Lapsed | 1935-12-03 | 1938-04-12 | 0 | Details |
| US2090033A | Short wave discharge tube | Expired / Lapsed | 1933-10-20 | 1937-08-17 | 0 | Details |
| US2088842A | Ultra short wave generator | Expired / Lapsed | 1934-04-17 | 1937-08-03 | 0 | Details |
| US2083317A | Device controlled by radiated energy | Expired / Lapsed | 1934-12-06 | 1937-06-08 | 0 | Details |
| US2076335A | Selecting device | Expired / Lapsed | 1933-12-29 | 1937-04-06 | 0 | Details |
| US2045224A | Duplex communication system | Expired / Lapsed | 1932-11-07 | 1936-06-23 | 0 | Details |
| DE620372C | Corrugated tube suspension body, especially for use as a tr… | Expired / Lapsed | 1933-05-25 | 1935-10-19 | 0 | Details |