The National Catalog of Patents

The National Catalog of Patents

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A guide to the electrical patents granted ... as described in the Official gazette grouped in the classes and subclasses of the Manual of classification of the United States Patent Office.... means including said sensing element for controlling the energization of said motor, switch mechanism operable to disable ... In an electrical system for an electric windshield wiper, the combination comprising, an electric motor having a series field ... In a control circuit for an electric motor, a source of electric power, a resistance connected in series circuit with said ... Chicago, 111., assignor to The Dole Valve Company, Chicago, DL, a corporation of Illinois Filed Oct 25, 1956, Ser.

Title:The National Catalog of Patents
Publisher: - 1961


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