Patents by Inventor Irwin J. Gusman

Irwin J. Gusman 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).

  • Fitted sheet
    Patent number: 4703530
    Abstract: A fitted sheet is disclosed having an edge elastic sewn to the lower edge of the open bottom. Elastics sewn in the corner seams extend from the top of the sheet to the edge. The sheet may be applied to mattresses of different thicknesses in the same nominal size without bunching or excessive tucking.
    Type: Grant
    Filed: February 7, 1986
    Date of Patent: November 3, 1987
    Assignee: J. P. Stevens & Co., Inc.
    Inventor: Irwin J. Gusman
  • Filtration material
    Patent number: 3937860
    Abstract: A high temperature resistant filtration material is produced having outer layers of a nonwoven fabric made of fibers of an aromatic polyamide having repeating units of the formula ##SPC1##A first inner layer of nonwoven fabric made of glass fibers and a second inner layer woven from yarns of glass or said aromatic polyamide. The fibers of the layers are interentangled by needling to form an integral structure.
    Type: Grant
    Filed: April 23, 1975
    Date of Patent: February 10, 1976
    Assignee: J. P. Stevens & Co., Inc.
    Inventors: Irwin J. Gusman, Carlo Strack