Altra Corporation

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Patent Activity in the Last 10 Years

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D414482 Computer cursor controllerJan 05, 99Sep 28, 99[1402]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6122132 Disk drive head position encoderExpiredMar 18, 98Sep 19, 00[G11B]
6084570 Compact cursor controller structure for use with laptop, notebook and hand-held computers and keyboardsExpiredSep 18, 97Jul 04, 00[G09G]
6075522 Desktop compact cursor controller structure for use with computers and keyboardsExpiredMar 26, 98Jun 13, 00[G06F]
6034668 Cursor control deviceExpiredMay 07, 97Mar 07, 00[G09G]
5771037 Computer display cursor controllerExpiredJul 24, 95Jun 23, 98[G09G]
5760764 Computer display cursor controller with serial interfaceExpiredDec 13, 95Jun 02, 98[G09G]
4935728 Computer controlExpiredNov 20, 87Jun 19, 90[G06F]
4343450 Plate holderExpiredDec 10, 79Aug 10, 82[A47G]

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