Daystrom Inc
Daystrom IActive Patents
0
Total Holdings
23
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3132302A | Pulse generator and shaper to eliminate undesirable wave co… | Expired / Lapsed | 1960-04-25 | 1964-05-05 | 2 | Details |
| US3119919A | Apparatus for the removal of portions of deposited metal fi… | Expired / Lapsed | 1961-01-30 | 1964-01-28 | 2 | Details |
| US3112693A | Transducer unit for printing type element | Expired / Lapsed | 1961-03-06 | 1963-12-03 | 2 | Details |
| US3113241A | Electronic switch means for flashing electrical lamps | Expired / Lapsed | 1960-04-07 | 1963-12-03 | 1 | Details |
| US3105158A | Step counter having storage capacitor discharge through tra… | Expired / Lapsed | 1960-06-29 | 1963-09-24 | 2 | Details |
| US3094609A | Control system for a digital computer | Expired / Lapsed | 1959-03-16 | 1963-06-18 | 1 | Details |
| US3087147A | Digital converter | Expired / Lapsed | 1958-11-03 | 1963-04-23 | 2 | Details |
| US3070744A | Temperature compensated semiconductor reference device | Expired / Lapsed | 1960-01-08 | 1962-12-25 | 0 | Details |
| US3067376A | Frequency transducer | Expired / Lapsed | 1959-12-18 | 1962-12-04 | 0 | Details |
| US3058612A | Combination protective cover and standard for an instrument | Expired / Lapsed | 1959-10-12 | 1962-10-16 | 0 | Details |
| US3051939A | Analog-to-digital converter | Expired / Lapsed | 1957-05-08 | 1962-08-28 | 0 | Details |
| US3016464A | Apparatus for determining the location and thickness of a r… | Expired / Lapsed | 1959-06-10 | 1962-01-09 | 0 | Details |
| US2987957A | Light-sensitive exposure meters | Expired / Lapsed | 1957-03-18 | 1961-06-13 | 0 | Details |
| US2974279A | Voltage compensated resistance bridge | Expired / Lapsed | 1957-11-18 | 1961-03-07 | 0 | Details |
| US2962658A | Directional tachometer generator | Expired / Lapsed | 1957-09-27 | 1960-11-29 | 0 | Details |
| US2957599A | Instrument cover securing means | Expired / Lapsed | 1958-10-09 | 1960-10-25 | 0 | Details |
| US2902170A | Test tube rack | Expired / Lapsed | 1955-09-29 | 1959-09-01 | 0 | Details |
| CA580047A | Feedback network for control systems | Expired / Lapsed | — | 1959-07-21 | 0 | Details |
| US2896167A | Instrument bearing arrangement | Expired / Lapsed | 1956-10-19 | 1959-07-21 | 0 | Details |
| US2896033A | Printed circuit assembly | Expired / Lapsed | 1955-01-27 | 1959-07-21 | 0 | Details |
| US2885255A | Recorder pen lift mechanism | Expired / Lapsed | 1956-11-23 | 1959-05-05 | 0 | Details |
| US2857104A | Feedback network for control systems | Expired / Lapsed | 1956-04-19 | 1958-10-21 | 0 | Details |
| US2857569A | Thermal converter | Expired / Lapsed | 1956-04-19 | 1958-10-21 | 0 | Details |