National Research Development Corp UK
National RActive Patents
0
Total Holdings
11
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3905105A | Saws and blades therefor | Expired / Lapsed | 1974-01-07 | 1975-09-16 | 11 | Details |
| US3807394A | Fracture fixing device | Expired / Lapsed | 1972-08-03 | 1974-04-30 | 13 | Details |
| US3398481A | Method and apparatus for controlling carbon dioxide concent… | Expired / Lapsed | 1966-05-20 | 1968-08-27 | 0 | Details |
| US3004077A | Manufacture of fluorinated aromatic compounds | Expired / Lapsed | 1959-09-04 | 1961-10-10 | 2 | Details |
| US2800278A | Number signal analysing means for electronic digital comput… | Expired / Lapsed | 1951-05-17 | 1957-07-23 | 0 | Details |
| US2800277A | Controlling arrangements for electronic digital computing m… | Expired / Lapsed | 1951-05-17 | 1957-07-23 | 0 | Details |
| US2799449A | Data storage transfer means for a digital computer | Expired / Lapsed | 1951-04-23 | 1957-07-16 | 0 | Details |
| US2772050A | Electronic digital computing machines | Expired / Lapsed | 1950-06-21 | 1956-11-27 | 0 | Details |
| US2757864A | Information translating apparatus | Expired / Lapsed | 1951-08-28 | 1956-08-07 | 0 | Details |
| US2721732A | Apparatus for mixing liquids and gases | Expired / Lapsed | 1952-12-23 | 1955-10-25 | 2 | Details |
| US2686632A | Digital computer | Expired / Lapsed | 1950-12-26 | 1954-08-17 | 0 | Details |