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Derek J. Martin

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  • Leola, PA, US
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Patents Applicationslast 30 patents

  • Information Patent Application

    Sealing Sleeve for Slip Joint
    • Publication number 20150137508
    • Publication date May 21, 2015
    • Interface Solutions, Inc.
    • Brian C. Lehr
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Segmented Gaskets
    • Publication number 20110031704
    • Publication date Feb 10, 2011
    • Brian C. Lehr
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...