BLOCK71
|
|
United States Patent and Trademark Office
|
35, 36, 41
|
2020-01-07
|
|
|
details
|
BLOCK71
|
|
World Intellectual Property Organisation
|
35, 36, 41
|
2018-01-23
|
2028-01-23
|
|
details
|
INNOVFEST
|
|
World Intellectual Property Organisation
|
41
|
2018-01-11
|
2028-01-11
|
|
details
|
GATEWAY TO LEARNING
|
|
United States Patent and Trademark Office
|
42
|
2013-08-13
|
|
|
details
|
NUS
|
|
United States Patent and Trademark Office
|
36, 41, 42, 45
|
2012-10-16
|
|
|
details
|
|
|
United States Patent and Trademark Office
|
36, 41, 42, 45
|
2012-10-16
|
|
|
details
|
NATIONAL UNIVERSITY OF SINGAPORE
|
|
United States Patent and Trademark Office
|
35, 36, 41, 42, 45
|
2012-02-21
|
|
|
details
|