Patents by Inventor James E. Donegan

James E. Donegan 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: 4842152
    Abstract: Disclosed herein is a one piece spill proof plug which allows a container to be inverted prior to dispensing a fluid to a receiving receptacle. The plug has a plug member, stem and V-shaped retainer members which allow the plug member to snugly fit into the neck portion of a container and allows the biased retainer members to expand within the container. The one piece spill proof plug has many applications, particularly for dispensing motor oil to an engine by way of a valve cover opening.
    Type: Grant
    Filed: June 16, 1988
    Date of Patent: June 27, 1989
    Inventor: James E. Donegan