Patents by Inventor Dwight P. Dustin

Dwight P. Dustin 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).

  • Method for refracting and dispensing electro-active spectacles
    Patent number: 6733130
    Abstract: An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active lens includes a range finder positioned in a cooperative relationship with the electro-active lens.
    Type: Grant
    Filed: October 28, 2002
    Date of Patent: May 11, 2004
    Assignee: E-Vision, LLC
    Inventors: Ronald D. Blum, Dwight P. Dustin, Dan Katzman
  • Optical lens system with electro-active lens having alterably different focal lengths
    Patent number: 6619799
    Abstract: An optical lens system that may include a lens with a first focal length and an electro-active region coupled to the lens, where activating the electro-active region alters a portion of the system to a second focal length such that the system has two different focal lengths.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: September 16, 2003
    Assignee: E-Vision, LLC
    Inventors: Ronald D. Blum, Dwight P. Dustin
  • Method for refracting and dispensing electro-active spectacles
    Publication number: 20030058406
    Abstract: An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active lens includes a range finder positioned in a cooperative relationship with the electro-active lens.
    Type: Application
    Filed: October 28, 2002
    Publication date: March 27, 2003
    Inventors: Ronald D. Blum, Dwight P. Dustin, Dan Katzman
  • System, apparatus, and method for correcting vision using electro-active spectacles
    Patent number: 6517203
    Abstract: An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active lens includes a range finder positioned in a cooperative relationship with the electro-active lens.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: February 11, 2003
    Assignee: E-Vision, LLC
    Inventors: Ronald D. Blum, Dwight P. Dustin
  • System, apparatus, and method for reducing birefringence
    Patent number: 6491391
    Abstract: An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active lens includes a range finder positioned in a cooperative relationship with the electro-active lens.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: December 10, 2002
    Assignee: E-Vision LLC
    Inventors: Ronald D. Blum, Dwight P. Dustin, Youval Katzman, Israel Grossinger, Uzi Efron, Dan Katzman
  • Method for refracting and dispensing electro-active spectacles
    Patent number: 6491394
    Abstract: An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active lens includes a range finder positioned in a cooperative relationship with the electro-active lens.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: December 10, 2002
    Assignee: E-Vision, LLC
    Inventors: Ronald D. Blum, Dwight P. Dustin, Dan Katzman