Daymarc Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4956604 Broad band contactor assembly for testing integrated circuit devicesExpiredFeb 17, 89Sep 11, 90[H01P, G01R]
4866374 Contactor assembly for testing integrated circuitsExpiredFeb 02, 87Sep 12, 89[G01R]
4801234 Vacuum pick and place mechanism for integrated circuit test handlerExpiredMay 15, 87Jan 31, 89[B65H]
4781494 Air-assist accumulating and transfer unit for an electronic device test handlerExpiredMay 16, 86Nov 01, 88[B65G]
4759435 Metering and singulating apparatus for integrated circuitsExpiredNov 22, 85Jul 26, 88[B65G]
4747784 Contactor for integrated circuitsExpiredMay 16, 86May 31, 88[H01R]
4689556 Broad band contactor assembly for testing integrated circuit devicesExpiredOct 12, 84Aug 25, 87[H01P, G01R]
4641738 Momentum arresting device for an integrated circuit testerExpiredNov 20, 85Feb 10, 87[B65G]
4618305 Automatic feed apparatus and process for integrated circuits stored in tubesExpiredNov 23, 83Oct 21, 86[B65B]
4546404 Storage unit for an integrated circuit testerExpiredMay 23, 83Oct 08, 85[H05K]
4534605 Symmetrical, single point drive for contacts of an integrated circuit testerExpiredMay 23, 83Aug 13, 85[H01R]
4520931 Apparatus for reorienting electrically asymmetrical axial lead devices in a sorter/testerExpiredAug 18, 83Jun 04, 85[B07C, B65G]
4473798 Interface assembly for testing integrated circuit devicesExpiredNov 27, 81Sep 25, 84[G01R]
4429275 Handling and test apparatus for radial lead electronic devicesExpiredJul 30, 80Jan 31, 84[B07C, G01R]
4419626 Broad band contactor assembly for testing integrated circuit devicesExpiredAug 25, 81Dec 06, 83[G01R]
4209959 Magnetic storage system and method for an axial lead sorterExpiredJun 01, 78Jul 01, 80[B65B]

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