Patents by Inventor John G. Prentiss

John G. Prentiss 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: 5993479
    Abstract: An infant feeding container is disclosed which attempts to imitate a human female breast in form and function. The container comprises a dome shaped member including a pliant outer surface. The dome shaped member substantially defines a volumetric space adequate to contain from four to eleven ounces of liquid and has the approximate form of a human female breast. The dome portion includes an upper crest and a lower skirt, the skirt portion being not less than seven centimeters in diameter at its outermost circumference. A ducted nipple protrudes from the crest of the dome and a bottom closure is secured to the dome portion adjacent to the skirt portion. Included are double and triple wall embodiments, a unique removable liner, optional means to couple the container to a conventional breast pump, an anti-vacuum feature, thermographic means to warn against overheated contents, and jackets in infant friendly materials.
    Type: Grant
    Filed: November 19, 1997
    Date of Patent: November 30, 1999
    Inventor: John G. Prentiss
  • Patent number: 5520089
    Abstract: A musical instrument wherein water is selectively injected into an array of resonant air columns, of varied resonant frequency. When the injected water impacts with the closed end of the air columns, vibrations are excited having a pitch resonant with the respective air column and possessing musical quality. By selectively controlling the flow stream, the user may play a musical composition having a distinctly aqueous character.
    Type: Grant
    Filed: October 12, 1994
    Date of Patent: May 28, 1996
    Inventor: John G. Prentiss