Patents by Inventor Shawn R. Callard

Shawn R. Callard 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: 5703670
    Abstract: An earplug assembly adapted for joinder to eyeglass temples, preferably by means of an axial connector providing semirigid connection to one end of an elongated telescoping member for rotation in a single plane, an earplug being joined at the other end of the telescoping member for rotation in at least one plane containing the telescoping member, together with a combination comprising eyeglasses and the earplug assembly.
    Type: Grant
    Filed: November 19, 1996
    Date of Patent: December 30, 1997
    Inventor: Shawn R. Callard