Patents by Inventor Mary K. Roberts

Mary K. Roberts 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).

  • Hygienic panty
    Patent number: 5546607
    Abstract: A hygienic panty is comprised of a front portion, a back portion, and a crotch portion, and if desired, side portions, conventionally joined to form a waist opening and two leg openings, the crotch portion comprising an outer layer made from a waterproof material and an inner layer of any suitable material, and the front portion and back portion comprising an outer layer made from a waterproof material, an inner layer, and at least one absorbent interliner sandwiched between the inner layer and outer layer.
    Type: Grant
    Filed: March 4, 1994
    Date of Patent: August 20, 1996
    Inventor: Mary K. Roberts