Patents by Inventor Joseph L. Congdon

Joseph L. Congdon 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: 7686531
    Abstract: A universal connector apparatus for securing a male-threaded utility handle end into a female receptacle of a tool assembly comprising a tool, comprising: a substantially-circular friction ring; a substantially-circular thread neck attached at a leading end thereof to, and centrally-aligned with, a trailing end of the friction ring; and a substantially-circular threaded-end aperture running centrally through the friction ring and thread neck combination.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: March 30, 2010
    Inventor: Joseph L. Congdon