INTERVAL INSTR Inc
INTERVAL IActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2559227A | Shock wave generator | Expired / Lapsed | 1947-05-24 | 1951-07-03 | 0 | Details |
| US2542944A | Dew point meter | Expired / Lapsed | 1945-04-20 | 1951-02-20 | 0 | Details |
| US2477085A | Frequency controlled micrometer | Expired / Lapsed | 1944-05-19 | 1949-07-26 | 0 | Details |
| US2447816A | Temperature responsive variable frequency oscillator | Expired / Lapsed | 1944-01-29 | 1948-08-24 | 0 | Details |
| US2429427A | Frequency controlled frequency meter | Expired / Lapsed | 1944-05-19 | 1947-10-21 | 0 | Details |
| US2424633A | Acoustic reservoir for use in a magnetic sound recording an… | Expired / Lapsed | 1944-05-19 | 1947-07-29 | 0 | Details |
| US2424773A | Locating device | Expired / Lapsed | 1944-02-26 | 1947-07-29 | 0 | Details |