Patents by Inventor Lyndon E. Lafferty

Lyndon E. Lafferty 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: 4282824
    Abstract: A device for aiding the remembering of an event which uses a display having board having a surface visible to the observer. A plurality of openings are adapted for accepting a peg like element having a plurality of faces. Indicia associated with each opening denotes a selected time period.
    Type: Grant
    Filed: October 27, 1978
    Date of Patent: August 11, 1981
    Inventor: Lyndon E. Lafferty