Patents by Inventor Murray Spalding

Murray Spalding 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).

  • Ballet slipper
    Patent number: 4583304
    Abstract: A ballet slipper has a wedge shaped heel the front end of which is beneath the metatarsal arch and the rear surface of which is just behind the heel bone.
    Type: Grant
    Filed: October 15, 1985
    Date of Patent: April 22, 1986
    Inventor: Murray Spalding