Timefax Corp
Timefax CoActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3255039A | Electrosensitive recording blank | Expired / Lapsed | 1962-05-28 | 1966-06-07 | 1 | Details |
| US2887632A | Zinc oxide semiconductors and methods of manufacture | Expired / Lapsed | 1952-04-16 | 1959-05-19 | 2 | Details |
| US2664044A | Electric signal recording blank | Expired / Lapsed | 1948-01-16 | 1953-12-29 | 0 | Details |
| US2664043A | Stencil recording blank and process of preparation | Expired / Lapsed | 1947-06-17 | 1953-12-29 | 0 | Details |
| US2638422A | Telefacsimile recording and duplicating paper and method of… | Expired / Lapsed | 1951-02-10 | 1953-05-12 | 2 | Details |
| US2398779A | Method of making duplicating blanks by telefacsimile and th… | Expired / Lapsed | 1943-03-24 | 1946-04-23 | 0 | Details |