Assignee
CASTRO MARCELO
AR·5 granted patents·109 citations·filing 1980–1982
Technology mixH04M5
Top patents by PatentIndex Score
5 records- 0183US4369339AMethod for completing the connection between a telephone exchange and the phone subscriber's line in response to the reception, at the exchange, of a pre-established codeCASTRO MARCELO·Filed 1980·Granted Jan 18, 1983·47 cites·10 claims
- 0275US4387272AMethod and apparatus for controlling a subscriber phone system including at least one automatic phone-answering machineCASTRO MARCELO·Filed 1981·Granted Jun 7, 1983·27 cites·6 claims
- 0368US4383138AMethod and apparatus for processing coded information received through a telephone line during the inter-ringing periodsCASTRO MARCELO·Filed 1980·Granted May 10, 1983·16 cites·45 claims
- 0457US4453041AMethod and apparatus for processing coded information received through a telephone line during the non-active intervals of a ringing periodCASTRO MARCELO·Filed 1980·Granted Jun 5, 1984·10 cites·45 claims
- 0550US4549045AMethod to operate through a telephone line one automatic phone answering equipment specified among a plurality, and apparatus to carry it outCASTRO MARCELO·Filed 1982·Granted Oct 22, 1985·9 cites·26 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →