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Backphone Trademarks
BACKPHONE
Earphones; Headphones
Abandoned
·
July 31, 2006
·
78941608
·
BACKPHONE
HEADPHONES, HEADPHONES WITH BUILT-IN RADIOS, HEADPHONES WITH BUILT-IN MICROPHONES, EARPHONES
Cancelled
·
January 23, 1998
·
75425054
·
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