Patents by Inventor Charles B. Vann

Charles B. Vann 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: D257786
    Type: Grant
    Filed: February 27, 1978
    Date of Patent: January 6, 1981
    Inventor: Charles B. Vann
  • Patent number: D267666
    Type: Grant
    Filed: February 25, 1980
    Date of Patent: January 18, 1983
    Inventor: Charles B. Vann