TELEPHONE FIREWALL
○ Dead · CancelledU.S. federal trademark · Serial No. 77741978 · Reg. No. 4231592
Registration Date
October 23, 2012
Goods & Services
Caller identification validation services
Thinking of using a similar name?
Search 14 million+ trademarks free and see if your brand conflicts with "TELEPHONE FIREWALL" or anything like it, before you file.
Run a free trademark search →Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.