Patents by Inventor Steven B. Klein

Steven B. Klein 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: 6659915
    Abstract: An improved leg exercise apparatus by modifying a conventional apparatus to improve its durability and substantially eliminate the existing problem of a rocking motion. First, the foot ramps are reinforced underneath by double brackets and a plurality of wave washers. Second, each stair arm has its bushings replaced by needle or roller bearings and self lubricating, sealing washers which are attached to the flywheel pins. Third, the lower portion of the lift motor may be stabilized to prevent any forward or rearward motion.
    Type: Grant
    Filed: December 12, 2000
    Date of Patent: December 9, 2003
    Inventor: Steven B. Klein
  • Publication number: 20020072454
    Abstract: An improved leg exercise apparatus by modifying a conventional apparatus to improve its durability and substantially eliminate the existing problem of a rocking motion. First, the foot ramps are reinforced underneath by double brackets and a plurality of wave washers. Second, each stair arm has its bushings replaced by needle or roller bearings and self lubricating, sealing washers which are attached to the flywheel pins. Third, the lower portion of the lift motor may be stabilized to prevent any forward or rearward motion.
    Type: Application
    Filed: December 12, 2000
    Publication date: June 13, 2002
    Inventor: Steven B. Klein