Patents by Inventor Richard Spottiswoode

Richard Spottiswoode 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).

  • Mouthguard with insignia
    Patent number: 6321752
    Abstract: A mouthguard (10) is made from a sheet of copolyester, of about 5 mm in thickness, and has insiginia (11) observable on its front portion (13). The insignia is provided by an indentation (11) formed in the outside face (13) of the front of the mouthguard (10). The indentation (11) is formed by applying a stencil in a predetermined shape to the desired place on the mouthguard (10) when the mouthguard (10) is pliant. The indentation (11) is at least partially filled with a material of contrasting color (12).
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: November 27, 2001
    Inventor: Richard Spottiswoode