Patents by Inventor Carol L. Blassingame

Carol L. Blassingame 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).

  • Portable free-standing visual aid
    Patent number: 5163845
    Abstract: A portable, free-standing visual aid designed to be used by coaches, teachers and other group leaders. The invention incorporates a large chalkboard, a chalk tray, sliding, two-sided inserts, a storage pocket for the inserts, and a smaller storage pocket for other items. It has a handle for portability. Some models use releasable fasteners to hold a chalk holder and eraser.
    Type: Grant
    Filed: January 28, 1991
    Date of Patent: November 17, 1992
    Inventor: Carol L. Blassingame