Techsearch Incorporated

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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Expired/Abandoned/Withdrawn Patents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
5794711 Ground following opener apparatusExpiredAug 02, 96Aug 18, 98[A01B, A01C]
5239472 System for energy conservation on rail vehiclesExpiredMay 25, 90Aug 24, 93[G06F]
4653113 Security bagExpiredAug 20, 86Mar 24, 87[B65D]
4467559 Chip budding machineExpiredOct 08, 82Aug 28, 84[A01G]

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