MARK IV IDS CORP.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23H WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL 120

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7054712 Wire contact/noncontact boundary position detecting apparatus of wire cut discharge machineJun 18, 03May 30, 06[B23H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6510632 Small dot display elementExpiredSep 01, 00Jan 28, 03[G09F]
6276079 Reflective display with front lightingExpiredDec 03, 98Aug 21, 01[G09F]
6220723 Writable disk signExpiredApr 20, 99Apr 24, 01[F21V]
6163994 Display device and arrayExpiredNov 04, 99Dec 26, 00[G09F]
6111759 Display with an array of electromagnetically operable elementsExpiredJul 12, 99Aug 29, 00[G09F, H05K]
6009648 Display device and arrayExpiredSep 09, 98Jan 04, 00[G09F]
6000812 Writable disk signExpiredNov 17, 97Dec 14, 99[F21V]
5943802 Reflective display with front lightingExpiredApr 07, 97Aug 31, 99[G09F]
5933329 Board for mounting display elementExpiredMar 27, 98Aug 03, 99[G09F, H05K]
5909971 Display device with disk and LEDExpiredApr 24, 98Jun 08, 99[G09F]
5858158 Electromagnetic disk and method of makingExpiredAug 05, 93Jan 12, 99[B32B]
5809675 Board for mounting display elementExpiredMay 06, 97Sep 22, 98[G09F]
5793349 Electromagnetic shutter and coverExpiredSep 18, 95Aug 11, 98[G09G]
5771616 Display device with disk and LEDExpiredJul 19, 96Jun 30, 98[G09F]
5666134 Electromagnetic shutterExpiredMay 12, 94Sep 09, 97[G09G]
5642130 Display array and power control circuitExpiredJan 17, 95Jun 24, 97[G09G]
5337077 Electromagnetic shutterExpiredMar 20, 92Aug 09, 94[G09G]
5055832 Display element with notched diskExpiredJul 27, 89Oct 08, 91[G08B, G09G, G09F]
5050325 Display indicator and reed switchExpiredMay 14, 90Sep 24, 91[G09F]
5021773 Fibre optic display deviceExpiredMar 09, 89Jun 04, 91[G09F]

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Top Inventors for This Owner

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