| PROMINA Onyx Spectrum Technology Inc.
97636778 18 Oct 2022 | on 21 Nov 2023
| communications data processors, downloadable and recorded computer pro... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products communications data processors, downloadable and recorded computer programs for use in communications processing and management of digital information transmitted in a network, and printed user and instruction manuals sold as a unit | | | TELTONE ONYX SPECTRUM TECHNOLOGY INC
72342548 03 Nov 1969 | on 06 Mar 2023
| ELECTRICAL DEVICES FOR USE IN OR WITH TELEPHONE AND SIMILAR COMMUNICAT... Class 021 Class 021 Houseware and Glass Products ELECTRICAL DEVICES FOR USE IN OR WITH TELEPHONE AND SIMILAR COMMUNICATION SYSTEMS-NAMELY, [ TOUCH DIAL TEST SETS, ] MULTI-FREQUENCY RECEIVERS FOR USE IN TOUCH TELEPHONE NETWORKS AND OTHER M.F. SYSTEMS AND TO EXPAND AN EXISTING MULTI-STATION KEY INTERCOM SYSTEM TO A LARGER NUMBER OF STATIONS, A LEICH PABX CONVERSION SET FOR PRIVATE AUTOMATIC TELEPHONE EXCHANGE SYSTEMS TO PERMIT PROCESSING EITHER A TOUCH OR ROTARY DIAL CALL, AND INTERCOM SYSTEM FOR USE WITH TOUCH DIAL OR COMBINATION TOUCH DIAL TELEPHONE SYSTEMS, [ A GROUND-TO-LOOP START CONVERTER FOR USE ON TELEPHONE PABX LINES SO AS TO PERMIT DIALING LOCALLY WITHOUT GOING THROUGH OUTSIDE TRUNKS, ] AND A VOICE-OPERATED ELECTRONIC SWITCHING SYSTEM OPERABLE TO DISTINGUISH BETWEEN VOICE SIGNALS AND CALL SIGNALS IN ORDER TO DETERMINE LINE USAGE | |