KH TECHNOLOGY CORPORATION

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Patent Activity in the Last 10 Years

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Top Patents (by citation)

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D515556 LoudspeakerNov 13, 03Feb 21, 06[1401]
D513745 LoudspeakerFeb 21, 03Jan 24, 06[1401]
D513746 LoudspeakerFeb 12, 04Jan 24, 06[1401]
D498229 LoudspeakerFeb 21, 03Nov 09, 04[1401]
D494566 LoudspeakerNov 13, 03Aug 17, 04[1401]
D491916 LoudspeakerJun 30, 03Jun 22, 04[1401]
D491919 LoudspeakerFeb 21, 03Jun 22, 04[1401]
D488801 SpeakerFeb 25, 03Apr 20, 04[1401]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7448467 Acoustic enclosuresExpiredJul 26, 02Nov 11, 08[H05K]
2006/0096,803 Loudspeaker having an outer edgeAbandonedAug 15, 03May 11, 06[H04R]
2006/0097,583 Electromechanical transducersAbandonedSep 19, 03May 11, 06[H02K, H04R, H01F]
7016514 Loudspeaker assemblyExpiredFeb 01, 02Mar 21, 06[H04R]
2004/0125,971 Combination loudspeaker unitAbandonedAug 15, 03Jul 01, 04[H04R]
2004/0112,671 Loudspeaker unit and assemblyAbandonedAug 15, 03Jun 17, 04[H05K]
6745867 Loudspeaker drive unitExpiredJul 19, 02Jun 08, 04[G10K]
2002/0094,105 Loudspeaker pole piece and loudspeaker assemblyAbandonedFeb 20, 02Jul 18, 02[H04R]
6116373 Acoustic horns for loudspeakersExpiredMay 22, 98Sep 12, 00[H05K]
5969298 Compression driverExpiredFeb 24, 98Oct 19, 99[G01K]

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