Patents by Inventor Hans W. R. Fischer

Hans W. R. Fischer 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).

  • Orthopedic extension apparatus
    Patent number: 3986499
    Abstract: Orthopedic extension apparatus having a lower part and a swingable carrier pivotally mounted thereon, spaced fastening means for holding the patient at spaced parts to which tension is to be applied, the carrier being connected to a fastening means at a point spaced from the pivot, the carrier receiving the legs of the patient which can exert force thereon to apply tension between the spaced fastening means.
    Type: Grant
    Filed: May 21, 1975
    Date of Patent: October 19, 1976
    Inventor: Hans W. R. Fischer