Patents by Inventor Christopher Alan Cobb

Christopher Alan Cobb 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 and system for filtering electronic messages
    Patent number: 6199102
    Abstract: The present invention provides a system and method for filtering unsolicited electronic commercial messages. A system and method according to the present invention for screening out unsolicited commercial messages comprises the steps of receiving a message from a sender, sending a challenge back to the sender, receiving a response to the challenge, and determining if the response is a proper response.
    Type: Grant
    Filed: August 26, 1997
    Date of Patent: March 6, 2001
    Inventor: Christopher Alan Cobb
  • Method and system for filtering electronic messages
    Patent number: RE41411
    Abstract: The present invention provides a system and method for filtering unsolicited electronic commercial messages. A system and method according to the present invention for screening out unsolicited commercial messages comprises the steps of receiving a message from a sender, sending a challenge back to the sender, receiving a response to the challenge, and determining if the response is a proper response.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: June 29, 2010
    Assignee: AOL Inc.
    Inventor: Christopher Alan Cobb
  • Method and system for filtering electronic messages
    Patent number: RE42702
    Abstract: The present invention provides a system and method for filtering unsolicited electronic commercial messages. A system and method according to the present invention for screening out unsolicited commercial messages comprises the steps of receiving a message from a sender, sending a challenge back to the sender, receiving a response to the challenge, and determining if the response is a proper response.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: September 13, 2011
    Assignee: AOL Inc.
    Inventor: Christopher Alan Cobb