Patents by Inventor Rod A. Kucera

Rod A. Kucera 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).

  • Four-film diagonal gusset seals for bags
    Patent number: 5219220
    Abstract: A gusseted thermoplastic bag has two four-film diagonal seals each extending from the gusset points to the edge of the bag. The diagonal seals extend at an angle of less than 45.degree. with respect to the bottom seal. Diagonal seals with an angle between 25.degree.-35.degree. are shown to be superior.
    Type: Grant
    Filed: May 4, 1992
    Date of Patent: June 15, 1993
    Assignee: Mobil Oil Corporation
    Inventors: Rod A. Kucera, Norman R. Youngjohn