Patents by Inventor Philip P. DiFilippo

Philip P. DiFilippo 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).

  • Custom coffee brewing system
    Patent number: 5664480
    Abstract: A new Custom Coffee Brewing System for facilitating custom coffee brewing where the user adjusts the strength of the coffee depending on taste preference. The inventive device includes a coffee retaining cone supporting a standard coffee filter, and a plunger member slidably connected to the coffee retaining cone.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: September 9, 1997
    Inventor: Philip P. DiFilippo