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A comment on Blocking via an Unsolvable CAPTCHA. Parent comment

Re:Blocking via an Unsolvable CAPTCHA by lisper on Wednesday January 17, 2018 @12:42PM (#16169974)
I'm not sure why the application page rather than the grant page is the one turning up in Google's results, but the patent was granted. It is US Patent number 7,126.691, issued October 24, 2006.
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Re:Blocking via an Unsolvable CAPTCHA by otterley on Wednesday January 17, 2018 @12:58PM (#16170111)
Ah. Here's the link: https://www.google.com/patents/US7126691
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