Patents by Inventor Ralph E. Mariner

Ralph E. Mariner 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).

  • Acoustic pickups
    Patent number: 4030396
    Abstract: A pickup for a musical instrument to be mounted upon the musical instrument to amplify the tones thereof. The invention consists in adding a mass significantly greater than the weight of the transducer within the pickup in such a manner as to permit the transducer to act against this mass when picking up vibrations, with the result of improving and sustaining tones produced by the instrument, and also, in significantly increasing the output of the transducer.
    Type: Grant
    Filed: October 17, 1975
    Date of Patent: June 21, 1977
    Inventor: Ralph E. Mariner