TNC US Holdings Inc
TNC US HolActive Patents
0
Total Holdings
19
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3919479A | Broadcast signal identification system | Expired / Lapsed | 1974-04-08 | 1975-11-11 | 16 | Details |
| US3772649A | Data interface unit for insuring the error free transmissio… | Expired / Lapsed | 1972-02-17 | 1973-11-13 | 5 | Details |
| US3405393A | Data handling system | Expired / Lapsed | 1965-10-15 | 1968-10-08 | 0 | Details |
| US3323112A | Data handling system | Expired / Lapsed | 1964-11-12 | 1967-05-30 | 2 | Details |
| US3289170A | Data transmitting and receiving system using pulse width mo… | Expired / Lapsed | 1962-10-24 | 1966-11-29 | 2 | Details |
| US3148245A | System for determining the listening habits of wave signal … | Expired / Lapsed | 1958-12-22 | 1964-09-08 | 2 | Details |
| US3070798A | System for determining the listening habits of wave signal … | Expired / Lapsed | 1958-06-09 | 1962-12-25 | 0 | Details |
| US2881417A | Decimal-to-binary converter for system for recording listen… | Expired / Lapsed | 1953-09-21 | 1959-04-07 | 0 | Details |
| US2660509A | Recording apparatus | Expired / Lapsed | 1948-11-04 | 1953-11-24 | 0 | Details |
| US2660511A | Lockout and recycling device for an apparatus for determini… | Expired / Lapsed | 1947-10-24 | 1953-11-24 | 0 | Details |
| US2660662A | Search signal apparatus for determining the listening habit… | Expired / Lapsed | 1947-10-24 | 1953-11-24 | 0 | Details |
| US2654651A | Remote radio receiver tuning indicating apparatus | Expired / Lapsed | 1945-10-29 | 1953-10-06 | 0 | Details |
| US2652310A | System and apparatus for determining the listening habits o… | Expired / Lapsed | 1947-10-24 | 1953-09-15 | 0 | Details |
| US2630365A | System for determining listening habits of radio receiver u… | Expired / Lapsed | 1949-05-19 | 1953-03-03 | 0 | Details |
| US2630366A | System for determining the audience response to programs br… | Expired / Lapsed | 1946-11-09 | 1953-03-03 | 0 | Details |
| US2513360A | System for determining the listening habits of wave signal … | Expired / Lapsed | 1947-01-09 | 1950-07-04 | 0 | Details |
| US2484733A | System and apparatus for recording the listening habits of … | Expired / Lapsed | 1948-02-11 | 1949-10-11 | 0 | Details |
| US2483573A | Apparatus for determining the listening habits of wave sign… | Expired / Lapsed | 1943-11-22 | 1949-10-04 | 0 | Details |
| US2439201A | Remote radio receiver tuning indicating apparatus | Expired / Lapsed | 1945-10-29 | 1948-04-06 | 0 | Details |