U.S. federal trademark · Serial No. 73231683 · Reg. No. 1199363
Telephone Control Apparatus Automatically Selecting the Least Costly Route for Long-Distance Call, and Telephone Accounting Apparatus Providing Detailed On-Site Reports on the Caller, Callee, and Costs
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.