Patents by Inventor Christopher CROWTHER

Christopher CROWTHER 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).

  • Racquet with elongated grommet barrels
    Patent number: 8834306
    Abstract: A sports racquet with increased string vibration damping has grommets with elongated barrels. The barrels conform closely to the strings, are capable of absorbing vibration, and may be placed on the main strings, the cross strings, or both.
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: September 16, 2014
    Assignee: EF Composite Technologies, L.P.
    Inventors: Tim Doyle, Thomas W. Travers, Christopher Crowther
  • RACQUET WITH ELONGATED GROMMET BARRELS
    Publication number: 20130023363
    Abstract: A sports racquet with increased string vibration damping has grommets with elongated barrels. The barrels conform closely to the strings, are capable of absorbing vibration, and may be placed on the main strings, the cross strings, or both.
    Type: Application
    Filed: July 20, 2011
    Publication date: January 24, 2013
    Applicant: EF COMPOSITE TECHNOLOGIES, L.P.
    Inventors: Tim DOYLE, Thomas W. TRAVERS, Christopher CROWTHER