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    Copyright ©2009-2025
    OPW, A Dover Company

    OPW Fuel Management Systems Corporate Headquarters:
    6900 Santa Fe Drive,
    Hodgkins, Illinois, USA 60525 –
    Tel: (708) 485-4200 –
    Fax: (708) 485-7137

    The following U.S. patents have expired:
    4,199,012; 4,351,375; 4,429,725; 4,505,308; 4,453,578; 4,497,350; 4,557,302; 4,649,969; 4,682,714; 4,825,914; 4,971,121; 5,007,468; 5,135,029.
    OPW claims no rights in any patent beyond its expiration.

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