Patents by Inventor Erwin Pearl

Erwin Pearl 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).

  • Reversible earring
    Patent number: 5829273
    Abstract: A reversible clip-on earring is described herein. The reversible earring comprises a pair of curved, essentially mirror-image segments hinged together and pivotal between open and closed conditions. The hinge mechanism includes a spring hinge for urging the curved segments to a closed condition so that the earring may be clipped onto the ear lobe of a wearer.
    Type: Grant
    Filed: September 27, 1996
    Date of Patent: November 3, 1998
    Assignee: Erwin Pearl, Inc.
    Inventors: Michael S. Weingast, Erwin Pearl