Patents by Inventor David W. Petree

David W. Petree 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).

  • Composite yarn and method of making the same
    Patent number: 3991551
    Abstract: Composite yarn comprising elastomer yarn and a textured multifilament synthetic thermoplastic yarn, e.g. stretch continuous filament nylon yarn, twisted together. The composite yarn is made while the elastomer yarn is in a stretched condition and the textured yarn is extended so that crimps, loops or other distortions therein are straightened out.
    Type: Grant
    Filed: January 9, 1969
    Date of Patent: November 16, 1976
    Assignee: Burlington Industries, Inc.
    Inventor: David W. Petree