PERKINS
|
|
United States Patent and Trademark Office
|
4, 7, 9, 12, 35, 37
|
2020-05-19
|
|
|
details
|
POWER EXCHANGE
|
|
United States Patent and Trademark Office
|
7, 37
|
2014-01-07
|
|
|
details
|
PERKINS
|
|
United States Patent and Trademark Office
|
14, 18, 25
|
2013-08-06
|
|
|
details
|
PERKINS
|
|
World Intellectual Property Organisation
|
14, 18, 25
|
2011-12-19
|
2021-12-19
|
|
details
|
|
|
World Intellectual Property Organisation
|
1, 2, 4, 6, 7, 9, 12, 17, 37
|
2010-12-13
|
2020-12-13
|
|
details
|
PERKINS
|
|
World Intellectual Property Organisation
|
1, 2, 4, 6, 7, 9, 12, 17, 37
|
2010-12-13
|
2020-12-13
|
|
details
|
ECOPLUS
|
|
United States Patent and Trademark Office
|
7, 12, 37
|
2006-01-10
|
|
|
details
|
ECOPLUS
|
|
World Intellectual Property Organisation
|
7, 12, 37
|
2004-02-20
|
2024-02-20
|
|
details
|
PERKINS
|
|
World Intellectual Property Organisation
|
1, 2, 4, 6, 7, 9, 12, 16, 17, 37
|
2002-06-25
|
2022-06-25
|
|
details
|
|
|
World Intellectual Property Organisation
|
1, 2, 4, 6, 7, 9, 12, 16, 17, 37
|
2002-05-17
|
2022-05-17
|
|
details
|
POWERPART
|
|
World Intellectual Property Organisation
|
1, 2, 4, 6, 7, 9, 12, 16, 17, 37
|
2002-03-19
|
2022-03-19
|
|
details
|
POWER EXCHANGE
|
|
World Intellectual Property Organisation
|
6, 7, 12, 17, 37
|
2002-02-26
|
2022-02-26
|
|
details
|
POWERPART
|
|
United States Patent and Trademark Office
|
35, 37
|
2000-02-01
|
|
|
details
|
PERKINS
|
|
United States Patent and Trademark Office
|
7, 12
|
1999-08-03
|
|
|
details
|
PERKINS
|
|
World Intellectual Property Organisation
|
7, 12, 37
|
1998-05-21
|
2028-05-21
|
|
details
|
|
|
World Intellectual Property Organisation
|
7, 12, 37
|
1997-06-27
|
2027-06-27
|
|
details
|
|
|
World Intellectual Property Organisation
|
7, 12, 37
|
1997-06-27
|
2027-06-27
|
|
details
|
POWER EXCHANGE
|
|
United States Patent and Trademark Office
|
7, 12, 37
|
2006-07-11
|
2017-02-17
|
historic |
details
|
POWERPART
|
|
United States Patent and Trademark Office
|
37
|
2000-06-27
|
2011-01-28
|
historic |
details
|
PERKINS PHASER
|
|
United States Patent and Trademark Office
|
12
|
1993-04-27
|
2004-01-31
|
historic |
details
|