Patent Explorer
Browse, filter, and analyze 29 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3392395A | Monopulse antenna system providing independent control in a plurality of modes of operation | Hazeltine Research Inc | Expired / Lapsed | 1966-04-26 | 1968-07-09 | 1986-04-26 | 0.0 yrs | 2 | |
| US3386787A | Macroscopic optical waveguides | Hazeltine Research Inc | Expired / Lapsed | 1963-10-25 | 1968-06-04 | 1983-10-25 | 0.0 yrs | 2 | |
| US3309692A | Character display apparatus | Hazeltine Research Inc | Expired / Lapsed | 1964-12-03 | 1967-03-14 | 1984-12-03 | 0.0 yrs | 2 | |
| US3147469A | Numeral display having plural electrode control of character fragments | Hazeltine Research Inc | Expired / Lapsed | 1961-12-06 | 1964-09-01 | 1981-12-06 | 0.0 yrs | 2 | |
| US2888648A | Transistor reactance device | Hazeltine Research Inc | Expired / Lapsed | 1954-03-31 | 1959-05-26 | 1974-03-31 | 0.0 yrs | 0 | |
| US2848628A | Transistor ring counter | Hazeltine Research Inc | Expired / Lapsed | 1954-10-06 | 1958-08-19 | 1974-10-06 | 0.0 yrs | 0 | |
| US2844795A | Transistor reactance device | Hazeltine Research Inc | Expired / Lapsed | 1954-03-31 | 1958-07-22 | 1974-03-31 | 0.0 yrs | 0 | |
| US2773929A | Constant luminance color-television system | Hazeltine Research Inc | Expired / Lapsed | 1950-05-01 | 1956-12-11 | 1970-05-01 | 0.0 yrs | 0 | |
| US2691073A | Transistor system for translating signals in two directions | Hazeltine Research Inc | Expired / Lapsed | 1952-07-18 | 1954-10-05 | 1972-07-18 | 0.0 yrs | 0 | |
| US2671156A | Method of producing electrical crystal-contact devices | Hazeltine Research Inc | Expired / Lapsed | 1951-10-10 | 1954-03-02 | 1971-10-10 | 0.0 yrs | 2 | |
| US2584461A | Electrical crystal-contact device | Hazeltine Research Inc | Expired / Lapsed | 1950-05-10 | 1952-02-05 | 1970-05-10 | 0.0 yrs | 0 | |
| US2583681A | Crystal contacts of which one element is silicon | Hazeltine Research Inc | Expired / Lapsed | 1947-08-06 | 1952-01-29 | 1967-08-06 | 0.0 yrs | 2 | |
| US2552414A | Electrical connector for solid dielectric type coaxial lines | Hazeltine Research Inc | Expired / Lapsed | 1948-06-08 | 1951-05-08 | 1968-06-08 | 0.0 yrs | 0 | |
| US2522731A | Elongated coil time delay network | Hazeltine Research Inc | Expired / Lapsed | 1945-10-23 | 1950-09-19 | 1965-10-23 | 0.0 yrs | 0 | |
| US2508479A | High-frequency electromagneticwave translating arrangement | Hazeltine Research Inc | Expired / Lapsed | 1944-11-16 | 1950-05-23 | 1964-11-16 | 0.0 yrs | 0 | |
| US2483097A | Position indicator for airborne traffic | Hazeltine Research Inc | Expired / Lapsed | 1946-09-12 | 1949-09-27 | 1966-09-12 | 0.0 yrs | 0 | |
| US2461646A | Carrier-wave communication system | Hazeltine Research Inc | Expired / Lapsed | 1941-10-08 | 1949-02-15 | 1961-10-08 | 0.0 yrs | 0 | |
| US2444741A | Wave-signal translating system | Hazeltine Research Inc | Expired / Lapsed | 1943-12-31 | 1948-07-06 | 1963-12-31 | 0.0 yrs | 0 | |
| US2432275A | Coupling device | Hazeltine Research Inc | Expired / Lapsed | 1943-02-01 | 1947-12-09 | 1963-02-01 | 0.0 yrs | 0 | |
| US2428427A | Position-indicating device | Hazeltine Research Inc | Expired / Lapsed | 1944-09-15 | 1947-10-07 | 1964-09-15 | 0.0 yrs | 0 |
Showing 1 to 20 of 29 patents
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