XAAR LIMITED, CAMBRIDGE SCIENCE PARK, MILTON ROAD, CAMBRIDGE CB4 4FD

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5036241 Piezoelectric laminate and method of manufactureExpiredFeb 03, 89Jul 30, 91[H01L]
5028812 Multiplexer circuitExpiredMay 12, 89Jul 02, 91[H03K, H02M]
5028936 Pulsed droplet deposition apparatus using unpoled crystalline shear mode actuatorExpiredSep 01, 89Jul 02, 91[B41J]
5016028 High density multi-channel array, electrically pulsed droplet deposition apparatusExpiredOct 13, 89May 14, 91[B41J]
5010125 Room temperature plain paper inkExpiredSep 20, 89Apr 23, 91[C08K]
5010356 Method of forming an adherent fluorosilane layer on a substrate and ink jet recording head containing such a layerExpiredOct 02, 89Apr 23, 91[B05D, G01D]
5003679 Method of manufacturing a droplet deposition apparatusExpiredSep 01, 89Apr 02, 91[H01L]
4992808 Multi-channel array, pulsed droplet deposition apparatusExpiredSep 05, 89Feb 12, 91[B41J]
4973981 Method of testing components of pulsed droplet deposition apparatusExpiredDec 29, 89Nov 27, 90[B41J]
4942409 Drop-on-demand printheadExpiredApr 28, 89Jul 17, 90[B41J, G01D]
4940996 Drop-on-demand printheadExpiredApr 28, 89Jul 10, 90[B41J, G01D]
4929256 Multi-disc cutter and method of manufactureExpiredSep 19, 88May 29, 90[B24D]
4892787 Coated paper for ink jet printingExpiredAug 10, 87Jan 09, 90[D21H, B32B]
4887100 Droplet deposition apparatusExpiredJan 04, 88Dec 12, 89[B41J, G01D]
4879568 Droplet deposition apparatusExpiredJan 04, 88Nov 07, 89[B41J, G01D]
4845517 Droplet deposition apparatusExpiredJan 11, 88Jul 04, 89[G01D]
4742365 Ink jet apparatusExpiredApr 23, 86May 03, 88[G01D]

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