Patents by Inventor Robert W. Pratt

Robert W. Pratt 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).

  • Digital receipt for a transaction
    Patent number: 8370916
    Abstract: A first user (110) requests a service provider (130) to create (200,400) a record of a transaction. The service provider (130) creates (230,430) a digital receipt (300,700,900), which includes a description (310,710,720,910,1020) of the transaction understandable by humans, tamper-proof evidence (320) of the transaction, and a verification prompt (330,740,940,1030). A second user (120) who desires to verify the transaction displays (265,465) the digital receipt (300,700,900) and activates (270,470) the verification prompt (330,740,940,1030). Upon activation, the tamper-proof evidence (320) is verified without requiring further human interaction to identify the tamper-proof evidence.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: February 5, 2013
    Assignee: Verisign, Inc
    Inventors: Xinhong Yuan, Stan J. Simon, Robert W. Pratt, Gregory R. Whitehead, Atul Tulshibagwale
  • Digital Receipt For A Transaction
    Publication number: 20100154048
    Abstract: A first user (110) requests a service provider (130) to create (200,400) a record of a transaction. The service provider (130) creates (230,430) a digital receipt (300,700,900), which includes a description (310,710,720,910,1020) of the transaction understandable by humans, tamper-proof evidence (320) of the transaction, and a verification prompt (330,740,940,1030). A second user (120) who desires to verify the transaction displays (265,465) the digital receipt (300,700,900) and activates (270,470) the verification prompt (330,740,940,1030). Upon activation, the tamper-proof evidence (320) is verified without requiring further human interaction to identify the tamper-proof evidence.
    Type: Application
    Filed: February 26, 2010
    Publication date: June 17, 2010
    Applicant: VeriSign, Inc.
    Inventors: Xinhong Yuan, Stan J. Simon, Robert W. Pratt, Gregory R. Whitehead, Atul Tulshibagwale
  • Digital receipt for a transaction
    Patent number: 7694332
    Abstract: A first user (110) requests a service provider (130) to create (200,400) a record of a transaction. The service provider (130) creates (230,430) a digital receipt (300,700,900), which includes a description (310,710,720,910,1020) of the transaction understandable by humans, tamper-proof evidence (320) of the transaction, and a verification prompt (330,740,940,1030). A second user (120) who desires to verify the transaction displays (265,465) the digital receipt (300,700,900) and activates (270,470) the verification prompt (330,740,940,1030). Upon activation, the tamper-proof evidence (320) is verified without requiring further human interaction to identify the tamper-proof evidence.
    Type: Grant
    Filed: July 17, 2001
    Date of Patent: April 6, 2010
    Assignee: VeriSign, Inc.
    Inventors: Xinhong Yuan, Stan J. Simon, Robert W. Pratt, Gregory R. Whitehead, Atul Tulshibagwale
  • Digital receipt for a transaction
    Publication number: 20020161721
    Abstract: A first user (110) requests a service provider (130) to create (200,400) a record of a transaction. The service provider (130) creates (230,430) a digital receipt (300,700,900), which includes a description (310,710,720,910,1020) of the transaction understandable by humans, tamper-proof evidence (320) of the transaction, and a verification prompt (330,740,940,1030). A second user (120) who desires to verify the transaction displays (265,465) the digital receipt (300,700,900) and activates (270,470) the verification prompt (330,740,940,1030). Upon activation, the tamper-proof evidence (320) is verified without requiring further human interaction to identify the tamper-proof evidence.
    Type: Application
    Filed: July 17, 2001
    Publication date: October 31, 2002
    Inventors: Xinhong Yuan, Stan J. Simon, Robert W. Pratt, Gregory R. Whitehead, Atul Tulshibagwale