Telautograph Corp
TelautograActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4034155A | Electrical sensing writing pen | Expired / Lapsed | 1976-04-19 | 1977-07-05 | 16 | Details |
| USD244036S | Memo transmitter | Expired / Lapsed | 1976-05-04 | 1977-04-12 | 1 | Details |
| US3818126A | Facsimile system | Expired / Lapsed | 1972-08-23 | 1974-06-18 | 46 | Details |
| US3624619A | Pressure-sensing tablet | Expired / Lapsed | 1969-01-17 | 1971-11-30 | 13 | Details |
| US3156766A | Sonar telescriber | Expired / Lapsed | 1962-06-18 | 1964-11-10 | 2 | Details |
| US3112362A | Written character digitizer | Expired / Lapsed | 1960-08-08 | 1963-11-26 | 1 | Details |
| US1910866A | Resistor | Expired / Lapsed | 1930-03-25 | 1933-05-23 | 0 | Details |
| US1640384A | Field-magnet mechanism for telautograph receivers | Expired / Lapsed | 1926-06-30 | 1927-08-30 | 0 | Details |