Inventor · disambiguated record
Albert F. Hartung
Also filed as: HARTUNG ALBERT F
3 granted patents·247 citations·filing 1975–1975
77Inventor score
Technology areasH04N
Files withSYSTEM DEV CORP3
Top patents by PatentIndex Score
3 records- 0192US4045814AMethod and apparatus for scrambling and unscrambling communication signalsSYSTEM DEV CORP·Filed 1975·Granted Aug 30, 1977·122 cites·7 claims
- 0292US4019201AMethod and apparatus for scrambling and unscrambling communication signalsSYSTEM DEV CORP·Filed 1975·Granted Apr 19, 1977·117 cites·6 claims
- 0347US4024576AMethod and apparatus for scrambling and unscrambling communication signalsSYSTEM DEV CORP·Filed 1975·Granted May 17, 1977·8 cites·11 claims
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