Patents by Inventor Ralph C. Stern

Ralph C. Stern 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).

  • Coffeemaker
    Patent number: 4331067
    Abstract: A coffeemaker in which heated water infuses coffee grounds held in a basket, includes a spreader, which is associated with the basket, and which is adjustable so as to enable relative proportions of the water bypassing and not bypassing the grounds to be adjusted. None of the water bypasses the grounds at one selected position, for four dry measures of coffee grounds and four liquid measures of heated water, whereas a small portion of the water bypasses the grounds at another selected position, for more dry measures of coffee grounds and more liquid measures of heated water.
    Type: Grant
    Filed: December 22, 1980
    Date of Patent: May 25, 1982
    Assignee: Sunbeam Corporation
    Inventors: James C. Mysicka, Ralph C. Stern, Robert J. Augustine
  • Control box for electronic equipment
    Patent number: D371115
    Type: Grant
    Filed: November 3, 1993
    Date of Patent: June 25, 1996
    Assignee: Maxtec International Corp.
    Inventor: Ralph C. Stern