Patents by Inventor Charles S. Mandel

Charles S. Mandel 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).

  • Card holder and display device
    Patent number: D266338
    Type: Grant
    Filed: June 23, 1980
    Date of Patent: September 28, 1982
    Inventor: Charles S. Mandel
  • Album for containing baseball cards
    Patent number: D312095
    Type: Grant
    Filed: November 7, 1986
    Date of Patent: November 13, 1990
    Assignee: Sports Design Products
    Inventor: Charles S. Mandel