DATA ENTRY PRODUCTS, INC.

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5285037 Illuminated dome switchExpiredApr 10, 92Feb 08, 94[H01H]
5225818 Data entry control panelExpiredNov 26, 90Jul 06, 93[G09G]
4916275 Tactile membrane switch assemblyExpiredApr 13, 88Apr 10, 90[H01H]
4854319 Cooling apparelExpiredNov 20, 87Aug 08, 89[A61N]
4703139 Method in a snap dome switch keyboard assembly for reducing contact bounce timeExpiredJun 20, 86Oct 27, 87[H01H]
4468542 Keyboard assemblyExpiredMay 16, 83Aug 28, 84[H01H]
4449024 Backlighted illuminated keyboardExpiredMay 03, 83May 15, 84[H01H]
4421966 Keyboard elastomeric cover with buttons having changeable legendsExpiredJul 26, 82Dec 20, 83[H01H]
4365120 Illuminated keyboardExpiredApr 13, 81Dec 21, 82[H01H]
4352968 Elastomeric boot for a keyboard subassemblyExpiredFeb 09, 81Oct 05, 82[H01H]
4195210 Switching assembliesExpiredFeb 27, 79Mar 25, 80[H01H]

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