Patents by Inventor Andrew J. Bobkowicz

Andrew J. Bobkowicz 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).

  • Poy yarn compositions
    Patent number: 4244174
    Abstract: The instant specification describes an improved method for the manufacture of composite yarns having a central carrier with fibers or filaments adhered thereto. The method includes the step of using a partially oriented yarn as the carrier material and drawing or stretching the partially oriented yarn immediately prior to or as the yarn passes through an extruder to be coated with a binding material.
    Type: Grant
    Filed: October 23, 1978
    Date of Patent: January 13, 1981
    Assignee: The Bobtex Corporation, Ltd.
    Inventor: Andrew J. Bobkowicz