Patent Explorer
Browse, filter, and analyze 51 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2922224A | Navigation system employing star heading reference | General Precision Laboratory Inc | Expired / Lapsed | 1955-01-24 | 1960-01-26 | 1975-01-24 | 0.0 yrs | 0 | |
| US2920316A | Weighing encoder | General Precision Laboratory Inc | Expired / Lapsed | 1955-03-11 | 1960-01-05 | 1975-03-11 | 0.0 yrs | 0 | |
| US2911597A | Modulation system | General Precision Laboratory Inc | Expired / Lapsed | 1957-10-07 | 1959-11-03 | 1977-10-07 | 0.0 yrs | 0 | |
| US2908902A | World-wide navigational system | General Precision Laboratory Inc | Expired / Lapsed | 1954-02-17 | 1959-10-13 | 1974-02-17 | 0.0 yrs | 0 | |
| US2903522A | Transistor amplifier | General Precision Laboratory Inc | Expired / Lapsed | 1955-07-07 | 1959-09-08 | 1975-07-07 | 0.0 yrs | 0 | |
| US2896162A | Heterodyne autocorrelator | General Precision Laboratory Inc | Expired / Lapsed | 1953-10-30 | 1959-07-21 | 1973-10-30 | 0.0 yrs | 0 | |
| US2884545A | Transistor protection circuit | General Precision Laboratory Inc | Expired / Lapsed | 1954-03-17 | 1959-04-28 | 1974-03-17 | 0.0 yrs | 0 | |
| US2874382A | Dual beam antenna | General Precision Laboratory Inc | Expired / Lapsed | 1954-06-09 | 1959-02-17 | 1974-06-09 | 0.0 yrs | 0 | |
| US2870429A | Automatic program control system | General Precision Laboratory Inc | Expired / Lapsed | 1951-03-27 | 1959-01-20 | 1971-03-27 | 0.0 yrs | 0 | |
| US2820855A | High impedance transistor amplifier | General Precision Laboratory Inc | Expired / Lapsed | 1955-07-07 | 1958-01-21 | 1975-07-07 | 0.0 yrs | 0 | |
| US2819352A | Transistor magnetic amplifier circuit | General Precision Laboratory Inc | Expired / Lapsed | 1954-01-29 | 1958-01-07 | 1974-01-29 | 0.0 yrs | 0 | |
| US2806198A | Load sharing circuit | General Precision Laboratory Inc | Expired / Lapsed | 1953-01-28 | 1957-09-10 | 1973-01-28 | 0.0 yrs | 0 | |
| US2787188A | Optical cross-correlator | General Precision Laboratory Inc | Expired / Lapsed | 1953-07-31 | 1957-04-02 | 1973-07-31 | 0.0 yrs | 0 | |
| US2781168A | Great circle computer | General Precision Laboratory Inc | Expired / Lapsed | 1955-09-15 | 1957-02-12 | 1975-09-15 | 0.0 yrs | 0 | |
| US2769957A | Comparator | General Precision Laboratory Inc | Expired / Lapsed | 1953-07-31 | 1956-11-06 | 1973-07-31 | 0.0 yrs | 0 | |
| US2757234A | Television shutter | General Precision Laboratory Inc | Expired / Lapsed | 1950-03-29 | 1956-07-31 | 1970-03-29 | 0.0 yrs | 0 | |
| US2753498A | Cyclic function modifying circuit | General Precision Laboratory Inc | Expired / Lapsed | 1952-12-31 | 1956-07-03 | 1972-12-31 | 0.0 yrs | 0 | |
| US2753524A | Wave analyzer | General Precision Laboratory Inc | Expired / Lapsed | 1953-01-22 | 1956-07-03 | 1973-01-22 | 0.0 yrs | 0 | |
| US2750584A | Analog to digital converter | General Precision Laboratory Inc | Expired / Lapsed | 1954-03-29 | 1956-06-12 | 1974-03-29 | 0.0 yrs | 0 | |
| US2748384A | Automatic frequency control circuit | General Precision Laboratory Inc | Expired / Lapsed | 1953-04-02 | 1956-05-29 | 1973-04-02 | 0.0 yrs | 0 |
Showing 1 to 20 of 51 patents
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