Patents by Inventor Roy H. Lidtke

Roy H. 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).

  • Joint load reducing footwear
    Patent number: 9402438
    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: June 3, 2011
    Date of Patent: August 2, 2016
    Assignee: Rush University Medical Center
    Inventors: Najia Shakoor, Roy H. Lidtke
  • JOINT LOAD REDUCING FOOTWEAR
    Publication number: 20110232133
    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: June 3, 2011
    Publication date: September 29, 2011
    Applicant: RUSH UNIVERSITY MEDICAL CENTER
    Inventors: Najia Shakoor, Roy H. Lidtke
  • Shoe insert
    Patent number: D625093
    Type: Grant
    Filed: January 8, 2010
    Date of Patent: October 12, 2010
    Assignee: Rikco International, LLC
    Inventor: Roy H. Lidtke
  • Shoe insert
    Patent number: D625501
    Type: Grant
    Filed: January 8, 2010
    Date of Patent: October 19, 2010
    Assignee: Rikco International, LLC
    Inventor: Roy H. Lidtke