Patents by Inventor Carolyn V. Mater

Carolyn V. Mater 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).

  • Compartmentalized coupon carrying case
    Patent number: 4237947
    Abstract: A coupon case constructed of a see-through plasticized material, pliable in composition to permit arrangement into individual compartmentalized sections and foldable to permit easy carrying about.
    Type: Grant
    Filed: August 16, 1979
    Date of Patent: December 9, 1980
    Inventor: Carolyn V. Mater