Patents by Inventor Ralph M. Maruscak

Ralph M. Maruscak 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: 4337804
    Abstract: A household system wherein suction is provided through a needle valve (38) that is connected to suction port (26) of suction tube (10) through flexible tube (36). Food placed and sealed in container (30) is vacuum packed by penetrating a bladder section (34) of container (30) and removing air through needle valve (38).
    Type: Grant
    Filed: January 16, 1981
    Date of Patent: July 6, 1982
    Inventor: Ralph M. Maruscak