Assignee
HOUSTON NATURAL GAS CORP
3 granted patents·19 citations·filing 1975–1975
Top patents by PatentIndex Score
3 records- 0160US4002837ATransceiverHOUSTON NATURAL GAS CORP·Filed 1975·Granted Jan 11, 1977·12 cites·15 claims
- 0236US3993875ATone receiverHOUSTON NATURAL GAS CORP·Filed 1975·Granted Nov 23, 1976·3 cites·10 claims
- 0335US3975589ATransponder for transmitting data from digital encoding transducers over a telephone lineHOUSTON NATURAL GAS CORP·Filed 1975·Granted Aug 17, 1976·4 cites·10 claims
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