Patents by Inventor Bruce Lahn

Bruce Lahn 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: 5589721
    Abstract: A display apparatus utilizes magnetic interaction to achieve suspension and electromagnetic interaction to maintain continuous motion. The display apparatus has a base assembly including an anchoring point, and a plurality of spaced first magnets disposed in spaced relation relative to the anchoring point; a suspension member including a longitudinal axis, opposite two ends, a second magnet, and a radially disposed third magnet member, and wherein the first magnets are operable to magnetically support the suspension member in a suspended state; a tether for tethering the suspension member to the anchoring point; and an electromagnet for electromagnetically impelling the third magnet member when the suspension member is rotated about its longitudinal axis thereby maintaining the rotation of the suspension member.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: December 31, 1996
    Inventors: Quansheng Han, Bruce Lahn