Patents by Inventor Joanne Sawhill Griffin

Joanne Sawhill Griffin 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: 6543898
    Abstract: A method of determining an eyeglass prescription for correcting a user's vision is provided. The method includes: prompting the user for selective parameters; configuring an eye chart for display based on the selective parameters; receiving sizing input from the user if the user increases or decreases the size of the eye chart until the eye chart appears clear; reconfiguring the eye chart based on the received sizing input; comparing the reconfigured eye chart to the configured eye chart; and determining the eyeglass prescription for correcting the user's vision based on a comparison between the reconfigured eye chart and the configured eye chart. A system for determining an eyeglass prescription for correcting a user's vision is also provided. The system includes a parameter module, a configure module, a receive module, a reconfigure module, a compare module, and a determine module. The parameter module prompts the user for selective parameters.
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: April 8, 2003
    Inventors: Joanne Sawhill Griffin, Peter Burley Griffin
  • Patent number: 6238049
    Abstract: A method of determining an eyeglass prescription for correcting a user's vision is provided. The method includes: prompting the user for selective parameters; configuring an eye chart for display based on the selective parameters; receiving sizing input from the user if the user increases or decreases the size of the eye chart until the eye chart appears clear; reconfiguring the eye chart based on the received sizing input; comparing the reconfigured eye chart to the configured eye chart; and determining the eyeglass prescription for correcting the user's vision based on a comparison between the reconfigured eye chart and the configured eye chart. A system for determining an eyeglass prescription for correcting a user's vision is also provided. The system includes a parameter module, a configure module, a receive module, a reconfigure module, a compare module, and a determine module. The parameter module prompts the user for selective parameters.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: May 29, 2001
    Inventors: Joanne Sawhill Griffin, Peter Burley Griffin