Patents by Inventor Karl Fleming

Karl Fleming 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).

  • Patent number: 6062267
    Abstract: A telescopic conduit passage assembly for extending conduit, such as electrical wiring, through a hole in an exterior wall of a structure. The telescopic conduit passage assembly includes a main tube and an extension tube each having a pair of opposite open ends. A first of the ends of the extension tube is slidably inserted into a first of the ends of the main tube. The main tube and the extension tube each have an outwardly radiating end flange adjacent a second of the ends of the respective tube.
    Type: Grant
    Filed: April 1, 1999
    Date of Patent: May 16, 2000
    Inventor: Karl Fleming