Patents by Inventor Michael E. Neitzke

Michael E. Neitzke has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Escalator defective roller detector
    Patent number: 5467658
    Abstract: A portable testing and recording system for detecting defective escalator rollers. The system incorporates a level sensitive detector which actuates an audible, visual and/or marking indicator to alert a repair person to properly identify a defective roller and/or related parts.
    Type: Grant
    Filed: December 19, 1994
    Date of Patent: November 21, 1995
    Inventors: Robert D. Buckalew, Michael E. Neitzke