Patents by Inventor David Elderfield

David Elderfield 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).

  • Publication number: 20070114101
    Abstract: A disc brake having a parking brake mechanism and in particular a parking brake mechanism which is integrally incorporated into the disc brake assembly.
    Type: Application
    Filed: November 21, 2006
    Publication date: May 24, 2007
    Inventor: David Elderfield
  • Publication number: 20040003295
    Abstract: A system and method for the verification of trusted documents is shown, wherein a biometric image affixed to an article being shipped is verified as to the identity of the individual vouching for the contents of the article or the membership of the individual is confirmed as being a member of a bonded client group. The system comprises an endorsement system scanning a biometric portion of the individual and providing a biometric image for the document; a verification system for scanning the biometric image from the document presented to the verification system, requesting the biometric image from the database system, comparing the biometric image with the template received as a result of the request and providing an indicator as to whether the document is valid or invalid; and a database system for storage of the biometric images and providing a template describing the image.
    Type: Application
    Filed: June 20, 2003
    Publication date: January 1, 2004
    Inventors: David Elderfield, Doug Martyn
  • Publication number: 20030102365
    Abstract: For verifying an identity of an individual a passport is provided with a facial image of an individual, and a code which corresponds to a fingerprint of the same individual, the image and the fingerprint of the individual with the code are sent and stored in a secure database; and thereafter when the passport is presented to an official, a fingerprint of the presenter is taken and sent to the database with the code, and from the computer system a conclusion is obtained whether the taken fingerprint corresponds to the fingerprint stored in the database.
    Type: Application
    Filed: November 30, 2001
    Publication date: June 5, 2003
    Inventor: David Elderfield
  • Patent number: 5929815
    Abstract: An antenna connector includes a body portion having an opening extending therethrough, a flange extending from a first side of the body portion in a direction substantially perpendicular to a direction of an axis of the opening, and one or more ground pins extending from a third side of the body portion in the direction of the axis of the opening. The antenna connector further includes a coaxial pin member extending through and secured to the opening in the body portion, the coaxial pin member including a pin portion extending outwardly from the opening in a direction of and parallel to the one or more ground pins.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: July 27, 1999
    Assignee: Sierra Wireless, Inc.
    Inventor: David Elderfield