WORLD LEARNING
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United States Patent and Trademark Office
|
16, 35, 41
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2017-04-11
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details
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WORLD LEARNING
|
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United States Patent and Trademark Office
|
16, 35, 41
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2017-04-11
|
|
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details
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WORLD LEARNING
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|
United States Patent and Trademark Office
|
41
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2009-05-26
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details
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United States Patent and Trademark Office
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41
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2009-01-06
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details
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SIT
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United States Patent and Trademark Office
|
41
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2003-02-04
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details
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SCHOOL FOR INTERNATIONAL TRAINING
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United States Patent and Trademark Office
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41, 42
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1996-04-23
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details
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WORLD LEARNING INC.
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United States Patent and Trademark Office
|
41, 42
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1994-06-14
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details
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THE EXPERIMENT IN INTERNATIONAL LIVING
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United States Patent and Trademark Office
|
41, 42
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1993-10-26
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details
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United States Patent and Trademark Office
|
41
|
1987-09-29
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details
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United States Patent and Trademark Office
|
41
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1994-05-03
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2016-02-19
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historic |
details
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