XMARK CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 787
 
  
 
H04Q SELECTING 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7116230 Asset location systemJul 14, 04Oct 03, 06[G08B]
6977586 Associated articles identifying systemFeb 13, 01Dec 20, 05[G08B]
6727810 Method of detecting objects within range of a receiverOct 12, 99Apr 27, 04[G08B]
6456191 Tag system with anti-collision featuresMar 23, 99Sep 24, 02[H04Q]
6144303 Tag and system for patient safety monitoringFeb 01, 99Nov 07, 00[G08B]
6137414 Asset security tagNov 30, 98Oct 24, 00[G08B]
D417667 Transmitter enclosureJul 24, 97Dec 14, 99[1403]
5977877 Multiple conductor security tagMay 18, 98Nov 02, 99[G08B]
D414178 Transceiver enclosureJul 24, 97Sep 21, 99[1403]
5374921 Fibre optic security and communications linkNov 13, 91Dec 20, 94[G08B]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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