Patents by Inventor David Edmund Liebl

David Edmund Liebl 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).

  • Method of preserving honey
    Patent number: 4050952
    Abstract: A method of preserving honey by inhibiting the crystallization and fermentation of honey with the use of ultrasonic radiation.
    Type: Grant
    Filed: November 19, 1976
    Date of Patent: September 27, 1977
    Inventor: David Edmund Liebl