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Photis Trademarks
PHOTIS
stock photography, namely, leasing reproduction rights of photographs to others
Cancelled
·
May 29, 2002
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76414375
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PHOTISTOR
photoresponsive devices comprised of photoresponsive resistors used for variable resistance and switching in electronic and radio frequency circuits
Abandoned
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September 30, 1991
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74208382
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PHOTISTOR
PHOTORESPONSIVE APPARATUSES WITH FIBER OPTICS INPUT, PHOTOCELLS AND PHOTORESISTORS
Abandoned
·
January 24, 1990
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74022163
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