Patents by Inventor Roosevelt R. Manuel

Roosevelt R. Manuel 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).

  • Grocery list device
    Patent number: 4742911
    Abstract: This invention is a box including several sets of index strips, each strip indicated with the name of a different food or non-food item, and snap-on indicators that clip on selected ones of the index strips, to indicate items needed to purchase.
    Type: Grant
    Filed: March 26, 1987
    Date of Patent: May 10, 1988
    Inventor: Roosevelt R. Manuel