Patents by Inventor Charles D. Alberts

Charles D. Alberts 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: 5937392
    Abstract: An Internet advertising system has a database, a controller, and an ad server operating as part of a web server. The database has advertising campaign information, including identification information and frequency information for how often the ad is to be served. The ad server uses the campaign information from the database to control the relative ratios of serving ads, the distribution of ads throughout the day, and any triggering mechanisms for controlling what ads are served.
    Type: Grant
    Filed: July 28, 1997
    Date of Patent: August 10, 1999
    Assignee: Switchboard Incorporated
    Inventor: Charles D. Alberts