Assignee
BHG HIRADASTECH VALLALAT
5 granted patents·19 citations·filing 1977–1986
Top patents by PatentIndex Score
5 records- 0147US4309748ADC/DC Stabilized voltage converter unitBHG HIRADASTECH VALLALAT·Filed 1979·Granted Jan 5, 1982·9 cites·5 claims
- 0224US4603233AConnection apparatus for the measurement, observation and manipulation of events in a large number of telephone circuitsBHG HIRADASTECH VALLALAT·Filed 1984·Granted Jul 29, 1986·4 cites·5 claims
- 0324US4583216AConnection system for the supervision of telephone circuitsBHG HIRADASTECH VALLALAT·Filed 1983·Granted Apr 15, 1986·3 cites·4 claims
- 0422US4156113AProgrammable data processor for use in small and medium-size switching systems, especially in telephone exchangesBHG HIRADASTECH VALLALAT·Filed 1977·Granted May 22, 1979·1 cites·7 claims
- 0518US4670901ASingle or multi-stage switching field for telephone exchangesBHG HIRADASTECH VALLALAT·Filed 1986·Granted Jun 2, 1987·2 cites·7 claims
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