Patents by Inventor Joan K. Lapp

Joan K. Lapp 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: 5121839
    Abstract: An improved foldably erect dispensing carton particularly for household wrapping materials such as polymeric films and the like, wherein the carton embodies a tab along a longitudinal axis of the front panel about midway longitudinally in the front panel providing an opening therein. The tab is hingedly connected along a hinged line to the front panel, and when operative, has a free end adapted to be disposed inwardly into the carton towards the top of the lid above the hinge line between the lead edge of the material and the roll of the material to prevent withdrawal of the lead edge back onto the roll.
    Type: Grant
    Filed: December 3, 1990
    Date of Patent: June 16, 1992
    Assignee: The Dow Chemical Company
    Inventor: Joan K. Lapp