Time and Frequency Technology, Inc.
2Patents
0Active
2Granted
26Portfolio score
Filing activity: Nov 21, 1975 → Oct 5, 1981
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4027332A | Apparatus for monitoring television receivers | Electricity | 57 | Expired |
| US4392248A | Attention signal receiver for emergency broadcast systems | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.