Patents by Inventor S. Richard Kaplan

S. Richard Kaplan 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: 4403426
    Abstract: A heel lift comprises an elongated body portion having a blunt or pointed upper end for insertion into a shoe heel, a lock washer or ring member with inwardly directed projections fitted and locked about the body portion and a head portion connected to the lower end of the body portion, the head portion having a slot and an annular undercut which cooperate to form passages within the head portion through which a molding material forming a wearing portion can flow when the lock washer and the head portion are coated with the molding material whereby the wearing portion is firmly bonded to the head portion.
    Type: Grant
    Filed: July 27, 1981
    Date of Patent: September 13, 1983
    Inventor: S. Richard Kaplan