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Permavision Trademarks
PERMAVISION
Spectacle lenses and parts thereof
Cancelled
·
July 1, 2011
·
85362122
·
PERMAVISION
Shunt devices implantable in or on the eye to improve vision
Abandoned
·
June 8, 2006
·
78904019
·
PERMAVISION
Concrete construction materials in the nature of fabricated paving blocks and stones; stones and concrete blocks for building and construction including construction of retaining walls
Cancelled
·
September 23, 2009
·
77833066
·
PERMAVISION
Shunt devices implantable in or on the eye to improve vision
Cancelled
·
June 4, 1998
·
75497355
·
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