Assignee

TIME AND FREQUENCY TECHNOLOGY

2 granted patents·92 citations·filing 1975–1981

Technology mixH04H2 G08B1 H04B1

Top patents by PatentIndex Score

2 records

0188US4027332AApparatus for monitoring television receiversTIME AND FREQUENCY TECHNOLOGY·Filed 1975·Granted May 31, 1977·73 cites·20 claims
0251US4392248AAttention signal receiver for emergency broadcast systemsTIME AND FREQUENCY TECHNOLOGY·Filed 1981·Granted Jul 5, 1983·19 cites·12 claims

Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →