Patents by Inventor Ricardo Gonzalez R.

Ricardo Gonzalez R. 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).

  • Replaceable heel construction for shoes
    Patent number: 4214384
    Abstract: A shoe has a first coupling element secured on a heel portion thereof and a second coupling element, defining a heel thereon, is slidably mounted in interlocking relationship on the first coupling element. A resilient locking tab on the second coupling element engages a locking groove formed on the first coupling element and is held in locked relationship therein by a removable wedge.
    Type: Grant
    Filed: October 18, 1978
    Date of Patent: July 29, 1980
    Inventor: Ricardo Gonzalez R.