U.S. federal trademark · Serial No. 76068687
BUSINESS TELEPHONE LINE THIS DAIL-TONE SERVICE GIVES THE FLEXIBILITY TO ADD BASIC FEATURES SUCH AS CALL WAITING, CALL FORWARDING, CALLER ID, THREE-WAY CALLING, HUNTING THIS SERVICE IS COMPATIBLE WITH FAX AND MODEM LINES
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.