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73144196 11 Oct 1977 | on 27 Jun 2009 | CAVITY RESONATOR DEVICES-NAMELY, MULTI-COUPLERS, DUPLEXERS, BAND PASS ... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products CAVITY RESONATOR DEVICES-NAMELY, MULTI-COUPLERS, DUPLEXERS, BAND PASS AND BAND STOP FILTERS OR COMBINATIONS THEREOF, AND TRANSMISSION LINE TRANSFORMERS, USED IN THE TRANSMISSION OF RADIO FREQUENCY SIGNALS | | | EXCELSIOR SINCLAIR TECHNOLOGIES INC.
74656686 07 Apr 1995 | on 20 Jun 2008 | mobile communications antennas,mobile communications antennas Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products mobile communications antennas | |