Anirbran Dasgupta

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Berkeley, CA, US

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Patents Applicationslast 30 patents

Information Patent Application
MULTI-STEP CAPTCHA WITH SERIAL TIME-CONSUMING DECRYPTION OF PUZZLES
- Publication number 20130042311
- Publication date Feb 14, 2013
- Yahoo! Inc.
- Andrei Broder
- G06 - COMPUTING CALCULATING COUNTING