Assignee
DIGITAL DATA INC
4 granted patents·473 citations·filing 1976–1978
Top patents by PatentIndex Score
4 records- 0195US4196310ASecure SCA broadcasting system including subscriber actuated portable receiving terminalsDIGITAL DATA INC·Filed 1977·Granted Apr 1, 1980·247 cites·7 claims
- 0292US4048619ASecure two channel sca broadcasting systemDIGITAL DATA INC·Filed 1976·Granted Sep 13, 1977·186 cites·11 claims
- 0374USD259722SBroadcasting system portable receiving terminal housingDIGITAL DATA INC·Filed 1978·Granted Jun 30, 1981·16 cites·1 claims
- 0474US4112369ASecure SCA broadcasting system including subscriber actuated portable receiving terminalsDIGITAL DATA INC·Filed 1976·Granted Sep 5, 1978·24 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →