Patents by Inventor Ollis Carver, Sr.

Ollis Carver, Sr. 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).

  • Frisket pen
    Patent number: D299471
    Type: Grant
    Filed: September 20, 1985
    Date of Patent: January 17, 1989
    Inventors: Leon Carver, Ollis Carver, Sr.