TREA

Earl J. Ratcliff

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  • New Sharon, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Door system and method of making
    • Patent number 10,612,295
    • Issue date Apr 7, 2020
    • Pella Corporation
    • Joseph A. Ritzert
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door system and method of making
    • Patent number 9,556,665
    • Issue date Jan 31, 2017
    • Pella Corporation
    • Joseph A. Ritzert
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    DOOR SYSTEM AND METHOD OF MAKING
    • Publication number 20170138114
    • Publication date May 18, 2017
    • Pella Corporation
    • Joseph A. Ritzert
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    DOOR SYSTEM AND METHOD OF MAKING
    • Publication number 20150233171
    • Publication date Aug 20, 2015
    • Pella Corporation
    • Joseph A. Ritzert
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES