Patents by Inventor Leslie P. Barta

Leslie P. Barta 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: 4131713
    Abstract: A leather yarn embodies a novel combination of five parameters which enables the leather yarn to be readily worked by garment knitting machine needlework into a unique knitted fabric having a soft "leather hand".The parameters are:1. Softness;2. Consistent Thinness of Depth;3. Consistent Narrowness of Width;4. Adequate Tensile Strength; and5. Continuity.The leather yarn is cut from a thin leather having a weight in the range of about 3 oz. to 11/2 oz. as measured by a standard leather thickness gauge such as the Woburn ounce weight caliber, made by the Woburn Machine Company, Woburn, Massachusetts.The softness parameter is obtained by the selection of a leather with the softness characteristics of fine garment/dress glove leather (a standard category in the tanning industry).The consistent narrowness of width and thinness of depth (and manufacture of the yarn at a marketable cost) is obtained by a number of specifically interrelated machine cutting operations.
    Type: Grant
    Filed: June 17, 1977
    Date of Patent: December 26, 1978
    Assignee: William M. Alexander
    Inventors: Leslie P. Barta, William M. Alexander