Patents by Inventor Patrick D. O'Brien

Patrick D. O'Brien 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).

  • Apparatus for assisting in positioning hanging articles
    Patent number: 5802729
    Abstract: A leveling device for assisting in properly orienting picture frames and other hanging articles on a vertical wall surface. Preferably, the device includes a planar body having a bubble level and a suction cup for temporarily affixing the device to a smooth surface of the frame, i.e. a glass pane. A foot surface and planar hooking structure provide alternative affixing structure such that the device can be used on a wide variety of frames and the like.
    Type: Grant
    Filed: January 22, 1996
    Date of Patent: September 8, 1998
    Assignee: Patrick D. O'Brien
    Inventors: Patrick D. O'Brien, Jeff A. Weber