Patents by Inventor David E. Wardley

David E. Wardley 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: 6274801
    Abstract: An instrument pickup assembly comprising, a piezoelectric transducer configured for association with a belly of a stringed instrument, a transmittable conduit associated with said piezoelectric transducer at a first end thereof, and means for securely positioning said piezoelectric transducer onto said belly of said stringed instrument.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: August 14, 2001
    Inventor: David E. Wardley