|
VERSÂTIS
|
|
United States Patent and Trademark Office
|
11, 20, 21
|
2019-09-17
|
|
|
details
|
|
Versâtis
|
|
World Intellectual Property Organisation
|
11, 20, 21
|
2018-08-27
|
2028-08-27
|
|
details
|
|
KERASLATE
|
|
United States Patent and Trademark Office
|
11, 21
|
2018-04-10
|
|
|
details
|
|
KeraSlate
|
|
World Intellectual Property Organisation
|
11, 21
|
2017-02-01
|
2027-02-01
|
|
details
|
|
KERASPECTRUM
|
|
United States Patent and Trademark Office
|
11, 19, 21
|
2014-05-27
|
|
|
details
|
|
KERAVISION
|
|
United States Patent and Trademark Office
|
11, 21
|
2013-10-29
|
|
|
details
|
|
KeraSpectrum
|
|
World Intellectual Property Organisation
|
11, 19, 21
|
2013-03-29
|
2023-03-29
|
|
details
|
|
KeraVision
|
|
World Intellectual Property Organisation
|
11, 21
|
2011-05-31
|
2021-05-31
|
|
details
|
|
EURO KERA K
|
|
United States Patent and Trademark Office
|
11, 19, 21
|
1997-07-08
|
|
|
details
|
|
EURO KERA
|
|
United States Patent and Trademark Office
|
11, 19, 21
|
1997-06-24
|
|
|
details
|
|
TOPAZ
|
|
United States Patent and Trademark Office
|
11
|
1999-11-16
|
2006-08-19
|
historic |
details
|
