Patents by Inventor Crystal L. Stroble

Crystal L. Stroble 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: 5390810
    Abstract: Closure devices provide squeeze to open capabilities wherein a section of a lip including the rim 10 of the container may be manipulated outwardly of the closure device by squeezing the container and thereafter returned to the closure device by relaxing the squeeze. A top plating is provided below the rim engaging the container, with diverging corrugations 25 providing compressible sections 15 permitting the lip be manipulated outwardly for drinking therefrom.
    Type: Grant
    Filed: February 22, 1993
    Date of Patent: February 21, 1995
    Inventors: Crystal L. Stroble, William F. Stokes, Fairey S. Bradford, Nancy S. Stroble