Patents by Inventor Roy Lidtke

Roy Lidtke 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: 7954261
    Abstract: Footwear including a flexible sole having a series of flexure zones positioned to correspond to primary joint axes of the human foot approximating the characteristics of a bare foot in motion.
    Type: Grant
    Filed: September 26, 2007
    Date of Patent: June 7, 2011
    Assignee: Rush University Medical Center
    Inventors: Najia Shakoor, Roy Lidtke
  • Publication number: 20090036811
    Abstract: A logic circuit that can reconfigure its functions in a nonvolatile manner and a single-electron transistor to be used in the logic circuits are provided. The logic circuit has a single-electron spin transistor that includes: a source; a drain; an island that is provided between the source and the drain, and has tunnel junctions between the island and the source and drain; and a gate that is capacitively coupled to the island. In this logic circuit, at least one of the source, the drain, and the island includes a ferromagnetic material having a variable magnetization direction.
    Type: Application
    Filed: August 1, 2007
    Publication date: February 5, 2009
    Applicant: Tower Orthopedic Designs, Inc.
    Inventors: Roy Lidtke, Gavin Hassell
  • Publication number: 20080072457
    Abstract: Footwear including a flexible sole having a series of flexure zones positioned to correspond to primary joint axes of the human foot approximating the characteristics of a bare foot in motion.
    Type: Application
    Filed: September 26, 2007
    Publication date: March 27, 2008
    Applicant: RUSH UNIVERSITY MEDICAL CENTER
    Inventors: Najia Shakoor, Roy Lidtke