Patents by Inventor David L. Schawl

David L. Schawl 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).

  • Portable self-applied traction device having plates strapped to thighs
    Patent number: 4750479
    Abstract: A back preserver traction device which is comprised of holster-like plates for application of stretching pressure to a patient's back. The device comprises a pair of thigh conformable plates, each having an inner surface and an outer surface. A hand grip is mounted on the outer surface of each plate for grasping by a patient's hand and application of pressure along the spine, away from the head. The thigh-conformable plates are strapped together with a holding strap which surrounds the patient's waist, holding the plates against the thigh in a position similar to the position in which holsters are held.
    Type: Grant
    Filed: March 26, 1987
    Date of Patent: June 14, 1988
    Inventor: David L. Schawl