Patents by Inventor Lisa Mayer

Lisa Mayer 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).

  • Greeting card with detachable message covers
    Patent number: 5667248
    Abstract: Greeting cards in which portions of messages are obscured by one or more detachable covers, so that the messages are revealed when the covers are moved. In a preferred embodiment, the detachable covers are POST-IT brand notes.
    Type: Grant
    Filed: August 22, 1995
    Date of Patent: September 16, 1997
    Inventor: Lisa Mayer