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Patents
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Patents

By Elevator World | December 1, 2011

Patents in this column are given in synopsis form. Complete information is available and can be ordered by the number stated in the article from the Commissioner of Patents and Trademarks, Washington, DC 20231 or online at www.uspto.gov. Elevator System Control Providing Service Features Barry Graham Blackaby of West Simsbury and Gary Meguerdichian of Farmington,…

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