Assignee
SYSTEM DEV CORP
US·21 granted patents·1,431 citations·filing 1975–1985
Top patents by PatentIndex Score
21 records- 0195US4267568AInformation storage and retrieval systemSYSTEM DEV CORP·Filed 1977·Granted May 12, 1981·553 cites·36 claims
- 0292US4045814AMethod and apparatus for scrambling and unscrambling communication signalsSYSTEM DEV CORP·Filed 1975·Granted Aug 30, 1977·122 cites·7 claims
- 0392US4019201AMethod and apparatus for scrambling and unscrambling communication signalsSYSTEM DEV CORP·Filed 1975·Granted Apr 19, 1977·117 cites·6 claims
- 0490US4060212ADeicing apparatus and methodSYSTEM DEV CORP·Filed 1976·Granted Nov 29, 1977·64 cites·10 claims
- 0590US4054255AMicrowave ice detectorSYSTEM DEV CORP·Filed 1976·Granted Oct 18, 1977·79 cites·5 claims
- 0688US4422158AMethod and means for interrogating a layered data baseSYSTEM DEV CORP·Filed 1980·Granted Dec 20, 1983·61 cites·12 claims
- 0782US4471459ADigital data processing method and means for word classification by pattern analysisSYSTEM DEV CORP·Filed 1981·Granted Sep 11, 1984·60 cites·31 claims
- 0881US4597057ASystem for compressed storage of 8-bit ASCII bytes using coded strings of 4 bit nibblesSYSTEM DEV CORP·Filed 1981·Granted Jun 24, 1986·77 cites·18 claims
- 0981US4495566AMethod and means using digital data processing means for locating representations in a stored textual data baseSYSTEM DEV CORP·Filed 1981·Granted Jan 22, 1985·41 cites·28 claims
- 1075US4290115AData processing method and means for determining degree of match between two data arraysSYSTEM DEV CORP·Filed 1979·Granted Sep 15, 1981·37 cites·57 claims
- 1174US4606660APrinter kit for letter sorting machinesSYSTEM DEV CORP·Filed 1984·Granted Aug 19, 1986·37 cites·10 claims
- 1269US4614528ADry air breather assemblySYSTEM DEV CORP·Filed 1985·Granted Sep 30, 1986·45 cites·8 claims
- 1365US4382277AMethod and means utilizing multiple processing means for determining degree of match between two data arraysSYSTEM DEV CORP·Filed 1979·Granted May 3, 1983·26 cites·33 claims
- 1463US4628303AVisual monitor for electrical signalsSYSTEM DEV CORP·Filed 1985·Granted Dec 9, 1986·18 cites·6 claims
- 1555US4584719AFiber optic workstation datalink interfaceSYSTEM DEV CORP·Filed 1984·Granted Apr 22, 1986·20 cites·14 claims
- 1655US4462081ASignal processing systemSYSTEM DEV CORP·Filed 1982·Granted Jul 24, 1984·22 cites·12 claims
- 1749US4249033AVented radio frequency shielded enclosureSYSTEM DEV CORP·Filed 1979·Granted Feb 3, 1981·19 cites·1 claims
- 1847US4024576AMethod and apparatus for scrambling and unscrambling communication signalsSYSTEM DEV CORP·Filed 1975·Granted May 17, 1977·8 cites·11 claims
- 1944US4593290ACollapsible antenna assemblySYSTEM DEV CORP·Filed 1984·Granted Jun 3, 1986·10 cites·12 claims
- 2034US4580858AAlignment fixture assembly for surface-mount connectorsSYSTEM DEV CORP·Filed 1985·Granted Apr 8, 1986·9 cites·5 claims
- 2133US4134077AAmplifier circuit operable over a wide temperature rangeSYSTEM DEV CORP·Filed 1977·Granted Jan 9, 1979·6 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →