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Cellsig Trademarks
CELLSIG
COMPUTERS AND COMPUTER PROGRAMS
Cancelled
·
May 28, 1985
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73539943
·
CELLSIGHT
computer programs for measuring use of cellular telephone channels and hand-off of telephone calls between adjacent channels
Cancelled
·
November 12, 1991
·
74220464
·
CELLSIGNS
Providing real estate listing information via e-mail and text messaging over wireless phone lines
Cancelled
·
August 15, 2005
·
78692587
·
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