About.com
Patent Information

The About system is covered by one or more of the following patents:

  • U.S. Patent No. 5,918,010
  • U.S. Patent No. 6,081,788
  • U.S. Patent No. 6,157,926
  • U.S. Patent No. 6,195,681
  • U.S. Patent No. 6,226,648
  • U.S. Patent No. 6,336,132
  • U.S. Patent No. 8,719,333
  • Australian Patent No. 729,891
  • Other Patents Pending.
About.com
Patent Information
  1. About.com
  2. Patent Information

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