Hrb-Singer Inc
Hrb-SingerActive Patents
0
Total Holdings
11
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3444386A | Rotary scanner imaging device with mirrors mounted therein … | Expired / Lapsed | 1966-09-29 | 1969-05-13 | 2 | Details |
| US3383920A | Circuit for making temperature measurements | Expired / Lapsed | 1965-04-08 | 1968-05-21 | 0 | Details |
| US3188631A | Electronic plotting board | Expired / Lapsed | 1962-04-02 | 1965-06-08 | 2 | Details |
| US3177595A | Teaching device | Expired / Lapsed | 1962-11-13 | 1965-04-13 | 2 | Details |
| US3137633A | Irradiation of polymerizable organic materials by fission p… | Expired / Lapsed | 1960-05-13 | 1964-06-16 | 0 | Details |
| US3111634A | Strip transmission line modulator | Expired / Lapsed | 1960-05-13 | 1963-11-19 | 2 | Details |
| US3109057A | Stereo scanning unit and system | Expired / Lapsed | 1960-12-08 | 1963-10-29 | 2 | Details |
| US3080485A | Stellar orientation monitoring system | Expired / Lapsed | 1960-06-22 | 1963-03-05 | 2 | Details |
| US3057082A | Test scoring, recording, and teaching apparatus | Expired / Lapsed | 1961-03-21 | 1962-10-09 | 0 | Details |
| US3013182A | Electronic display panel | Expired / Lapsed | 1960-05-24 | 1961-12-12 | 0 | Details |
| US2999207A | Difference totalizer | Expired / Lapsed | 1957-10-01 | 1961-09-05 | 0 | Details |