Inventor · disambiguated record
John B. Keys
Also filed as: KEYS JOHN · KEYS JOHN B · KEYS JOHN BAIRD
9 granted patents·163 citations·filing 1987–2005
90Inventor score
Top patents by PatentIndex Score
9 records- 0195US5603270AQuilting material handling and feeding method and apparatusL & P PROPERTY MANAGEMENT CO·Filed 1995·Granted Feb 18, 1997·50 cites·33 claims
- 0285US7931194B2Methods and apparatus for automated document examination for age verificationNCR CORP·Filed 2005·Granted Apr 26, 2011·23 cites·17 claims
- 0372US6454169B1Methods and apparatus for obtaining and maintaining position information for a rotating optical element in a bar code scannerNCR CORP·Filed 2001·Granted Sep 24, 2002·16 cites·12 claims
- 0466US6695211B2Methods and apparatus for enhanced scanner operation employing bar code and bar code fragment time and position of data collectionNCR CORP·Filed 2002·Granted Feb 24, 2004·10 cites·20 claims
- 0566US6394351B1Methods and apparatus for enhanced scanner operation employing bar code and bar code fragment time and position of data collectionNCR CORP·Filed 1997·Granted May 28, 2002·29 cites·18 claims
- 0662US6651889B2Methods and apparatus for obtaining and maintaining position information for a rotating optical element in a bar code scannerNCR CORP·Filed 2002·Granted Nov 25, 2003·7 cites·15 claims
- 0760US6796503B1Methods and apparatus for dynamic adjustment of bar code reader parametersNCR CORP·Filed 2003·Granted Sep 28, 2004·7 cites·15 claims
- 0845US4884234ADynamic RAM refresh circuit with DMA accessNCR CO·Filed 1987·Granted Nov 28, 1989·16 cites·8 claims
- 0936US4797932ASpeaker volume control apparatus and methodNCR CO·Filed 1987·Granted Jan 10, 1989·5 cites·14 claims
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