Patents by Inventor Karen L. Van Dusen

Karen L. Van Dusen 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).

  • Electronic gift certificate system
    Patent number: 6594644
    Abstract: An electronic gift certificate system is disclosed which distributes electronic gift certificates in the form of e-mail documents that include hyperlinks for automating the redemption process. When a gift certificate recipient selects such a hyperlink, the recipient's computer automatically transmits a claim code to the merchant's Web site, and the site responds by automatically crediting the recipient's personal account with the gift certificate amount. When the recipient subsequently makes a purchase from the merchant's Web site, the recipient's account balance is automatically applied to the purchase price.
    Type: Grant
    Filed: August 28, 2000
    Date of Patent: July 15, 2003
    Assignee: Amazon.com, Inc.
    Inventor: Karen L. Van Dusen
  • Electronic gift certificate system
    Patent number: 6175823
    Abstract: An electronic gift certificate system is disclosed which distributes electronic gift certificates in the form of e-mail documents that include hyperlinks for automating the redemption process. When a gift certificate recipient selects such a hyperlink, the recipient's computer automatically transmits a claim code to the merchant's Web site, and the site responds by automatically crediting the recipient's personal account with the gift certificate amount. When the recipient subsequently makes a purchase from the merchant's Web site, the recipient's account balance is automatically applied to the purchase price.
    Type: Grant
    Filed: September 15, 1998
    Date of Patent: January 16, 2001
    Assignee: Amazon.com, Inc.
    Inventor: Karen L. Van Dusen