Assignee
TEL TECH SYSTEMS INC
US·4 granted patents·27 citations·filing 2006–2015
Top patents by PatentIndex Score
4 records- 0186US7664242B2System and method for anonymous telephone communicationTEL TECH SYSTEMS INC·Filed 2006·Granted Feb 16, 2010·26 cites·19 claims
- 0259US8369508B2Call routing in telephone switch based on duplicate leg detectionTEL TECH SYSTEMS INC·Filed 2010·Granted Feb 5, 2013·1 cites·18 claims
- 0346US9270816B2Redirecting telephone call to packet-switched data call via voicemailTEL TECH SYSTEMS INC·Filed 2013·Granted Feb 23, 2016·0 cites·23 claims
- 0442US9344354B2Redirecting telephone call to packet-switched data call via voicemailTEL TECH SYSTEMS INC·Filed 2015·Granted May 17, 2016·0 cites·18 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →