Patents by Inventor Katherine R. Cordell

Katherine R. Cordell 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).

  • Patent number: 6274520
    Abstract: A waterproof fabric sheet for a baby crib, a bassinet, a bed for a health care facility or the like. The fabric sheet is a five-layer laminated waterproof cloth, light in weight, absorbent, breathable, optionally antimicrobial, and washable. The first top layer comprises a material made from polyester fibers and/or cotton fibers. The second layer is a needle punch soaker or a high loft batting soaker made from rayon fibers, polyester fibers and/or cotton fibers being needle punched into a nonwoven polyester or polypropylene scrim material or high loft batting. The third layer comprises a sheet material of polyester and/or acrylic. The fourth layer can be either identical to the second layer or without soaker properties. The fifth layer comprises either polyester, nylon or acrylic material. The second and/or the fourth layers optionally include antimicrobial fibers. The layers are laminated by ultrasonic energy bonding.
    Type: Grant
    Filed: July 29, 1998
    Date of Patent: August 14, 2001
    Inventor: Katherine R. Cordell