THE COOKSON COMPANY

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5082316 Release mechanism and method with alarm circuitExpiredDec 14, 90Jan 21, 92[E05C]
4995651 Release mechanism and methodExpiredDec 01, 89Feb 26, 91[E05B]
4721146 Rolling door operating mechanismExpiredJan 12, 87Jan 26, 88[A47G]

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