Patents by Inventor Charles E. Daffin

Charles E. Daffin 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: 7677604
    Abstract: A nested bushing coupling for attaching a plumbing component to a conduit. The assembly includes at least one or more nested bushings having off-centered openings which may be situated at various orientations within a receiver.
    Type: Grant
    Filed: January 16, 2008
    Date of Patent: March 16, 2010
    Inventor: Charles E. Daffin
  • Publication number: 20090179419
    Abstract: A nested bushing coupling for attaching a plumbing component to a conduit. The assembly includes at least one or more nested bushings having off-centered openings which may be situated at various orientations within a receiver.
    Type: Application
    Filed: January 16, 2008
    Publication date: July 16, 2009
    Inventor: Charles E. Daffin