9 trademarks were found for owners matching the name Keystone Heart Ltd.
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1 TM: 2191275
Desc: KEYSTONE HEART
Owner: Keystone Heart Ltd.
Class: 10, 42
Status: Protected: Registered/protected
2 TM: 2191282
Desc: TRIGUARD 3

Owner: Keystone Heart Ltd.
Class: 10
Status: Protected: Registered/protected
3 TM: 2191283
Desc:
Owner: Keystone Heart Ltd.
Class: 10, 42
Status: Protected: Registered/protected
4 TM: 2191302
Desc:
Owner: Keystone Heart Ltd.
Class: 10, 42
Status: Protected: Registered/protected
5 TM: 2191351
Desc: KEYSTONE HEART PROTECTING THE BRAIN; WHILE TREATING THE HEART
Owner: Keystone Heart Ltd.
Class: 10, 42
Status: Protected: Registered/protected
6 TM: 2191355
Desc: KEYSTONE HEART
Owner: Keystone Heart Ltd.
Class: 10, 42
Status: Protected: Registered/protected
7 TM: 2194490
Desc: KEYSTONE HEART
Owner: Keystone Heart Ltd.
Class: 10
Status: Protected: Registered/protected
8 TM: 1993233
Desc: KEYSTONE HEART
Owner: Keystone Heart Ltd.
Class: 42
Status: Protected: Registered/protected
9 TM: 1546634
Desc: TRIGUARD
Owner: Keystone Heart Ltd.
Class: 10
Status: Registered: Registered/protected