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Allen Feltes
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Rochester, NY, US
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last 30 patents
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Patent Grant
Side load constant force counterbalance system
Patent number
9,115,522
Issue date
Aug 25, 2015
Caldwell Manufacturing Company North America, LLC
Jay Sofianek
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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last 30 patents
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Patent Application
Side Load Constant Force Counterbalance System
Publication number
20130333293
Publication date
Dec 19, 2013
Jay Sofianek
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES