Inventor · disambiguated record
Douglas Laurence Robertson
Also filed as: ROBERTSON DOUGLAS · ROBERTSON DOUGLAS L · ROBERTSON DOUGLAS LAURENCE
16 granted patents·7 pending applications·73 citations·filing 2002–2011
91Inventor score
Files withLEXMARK INT INC15ROBERTSON DOUGLAS LAURENCE2AHNE ADAM JUDE1COOK BRIAN DALE1COOPER ANTHONY1
Top patents by PatentIndex Score
23 records- 0191US7604320B2Maintenance on a hand-held printerLEXMARK INT INC·Filed 2005·Granted Oct 20, 2009·13 cites·17 claims
- 0290US7787145B2Methods for improving print quality in a hand-held printerLEXMARK INT INC·Filed 2006·Granted Aug 31, 2010·12 cites·7 claims
- 0383US7469107B2Method for providing imaging substance for use in an imaging device via a virtual replenishmentLEXMARK INT INC·Filed 2003·Granted Dec 23, 2008·23 cites·90 claims
- 0479US7661814B2Hand held micro-fluid ejection devices configured to block printing based on printer orientation and method of blockingLEXMARK INT INC·Filed 2006·Granted Feb 16, 2010·6 cites·4 claims
- 0577US7354211B2Perforation forming mechanism for use in an imaging apparatusLEXMARK INT INC·Filed 2006·Granted Apr 8, 2008·2 cites·11 claims
- 0672US7682017B2Handheld printer minimizing printing defectsLEXMARK INT INC·Filed 2006·Granted Mar 23, 2010·3 cites·17 claims
- 0758US6796556B2Multi-function media eject system in an ink jet printerLEXMARK INT INC·Filed 2003·Granted Sep 28, 2004·5 cites·20 claims
- 0855US7688956B2Method and apparatus for validation of facsimile communicationLEXMARK INT INC·Filed 2004·Granted Mar 30, 2010·2 cites·25 claims
- 0953US8248086B2Capacitive proximity detection system for an applianceCOOPER ANTHONY·Filed 2009·Granted Aug 21, 2012·4 cites·20 claims
- 1053US7204654B2Perforation forming mechanism for use in an imaging apparatusLEXMARK INT INC·Filed 2003·Granted Apr 17, 2007·3 cites·3 claims
- 1148US7616745B2Method for printing incoming facsimilesLEXMARK INT INC·Filed 2005·Granted Nov 10, 2009·0 cites·22 claims
- 1248US7359500B2Method for carrying out predetermined actions by a receiving telecom device using an answer prefixLEXMARK INT INC·Filed 2004·Granted Apr 15, 2008·0 cites·42 claims
- 1345US2004120495A1Method of disabling call-waiting before receiving incoming faxFiled 2002·Application pending·0 cites
- 1444US2006203982A1Method and system for auto-routing fax and voice signalsLEXMARK INT INC·Filed 2005·Application pending·0 cites
- 1543US2008238971A1Method of Selecting Objects To Be Printed For A Hand-Held PrinterCOOK BRIAN DALE·Filed 2007·Application pending·0 cites
- 1639US7657004B2System and method for detecting a connection condition of a phone jackLEXMARK INT INC·Filed 2006·Granted Feb 2, 2010·0 cites·20 claims
- 1739US6637742B2Multi-function media eject system in an ink jet printerLEXMARK INT INC·Filed 2002·Granted Oct 28, 2003·0 cites·34 claims
- 1839US2008075513A1Methods for a Maintenance Algorithm in Hand Held PrintersROBERTSON DOUGLAS LAURENCE·Filed 2006·Application pending·0 cites
- 1939US2005012966A1Method for blocking unwanted facsimile transmissionsFiled 2003·Application pending·0 cites
- 2038US8788853B2Method and apparatus for closing a pathway of a power supply circuit by configuring a door lock in locked position to pre-charge a motor driveTALMADGE JONATHAN BLAIR·Filed 2011·Granted Jul 22, 2014·0 cites·20 claims
- 2137US2008030534A1Hand Held Micro-fluid Ejection Devices Configured to Eject Fluid without Referential Position Information and Method of Ejecting FluidAHNE ADAM JUDE·Filed 2006·Application pending·0 cites
- 2234US7128385B2System and method for ink jet printhead detectionLEXMARK INT INC·Filed 2004·Granted Oct 31, 2006·0 cites·20 claims
- 2334US2012284930A1Automatic refresh of completed loads in a washer or dryer applianceROBERTSON DOUGLAS LAURENCE·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →