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http://en.wikipedia.org/wiki/PKZIP#Version_history http://en.wikipedia.org/wiki/PKZIP#Version_history Click "deflating". It says the algorithm was used in gzip

by brlewis 18y ago

http://en.wikipedia.org/wiki/PKZIP#Version_history http://en.wikipedia.org/wiki/PKZIP#Version_history Click "deflating". It says the algorithm was used in gzip and PNG. Not exactly a poster child for innovation withering for lack of patents.