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Is patent US6513002 valid? Is there prior art in computer textbooks published prior to 1990?
About Patent US6513002: Rule-based number formatter It seems to me that many computer textbooks published before 1990 have include exercises about how to write a simple number translation program. I ...
Nov 9 '12 at 7:22
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Rule-based number formatter
Jan 28, 2003
Feb 11, 1998
Feb 11, 1998
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