These details and drawings of patents granted in the United States are taken, by permission of the Department of Commerce, from the ‘Official Gazette of the United States Patent Office’. Printed copies of the full specifications can be obtained, price 25 cents each, from the Commissioner of Patents, Washington, D.C., U.S.A. They are usually available for inspection at the British Patent Office, Southampton Buildings, Chancery Lane, London, W.C.2.


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    Titel :

    U.S. Patent Specifications



    Erscheinungsdatum :

    01.05.1957


    Format / Umfang :

    1 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    U.S. Patent Specifications

    Emerald Group Publishing | 1959


    U.S. Patent Specifications

    Emerald Group Publishing | 1959


    U.S. Patent Specifications

    Emerald Group Publishing | 1959


    U.S. Patent Specifications

    Emerald Group Publishing | 1958


    U.S. Patent Specifications

    Emerald Group Publishing | 1957