Patents by Inventor Phillip L. Alfeld, Sr.

Phillip L. Alfeld, Sr. 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: D617974
    Type: Grant
    Filed: May 18, 2009
    Date of Patent: June 15, 2010
    Inventor: Phillip L. Alfeld, Sr.