Patents by Inventor John Perez Calvento

John Perez Calvento 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).

  • Disposable coffee brewing unit for individual servings
    Patent number: 6298771
    Abstract: A disposable drip-type coffee brewing unit for making individual servings of freshly brewed coffee.
    Type: Grant
    Filed: May 5, 2000
    Date of Patent: October 9, 2001
    Inventor: John Perez Calvento