Rogier Ducloo

Follow

Person

Portland, OR, US

People

Patents Grantslast 30 patents

Information Patent Grant
Regional independent tandem telephone switch
- Patent number 9,800,956
- Issue date Oct 24, 2017
- Level 3 Communications, LLC
- Christopher Sayer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Regional independent tandem telephone switch
- Patent number 9,634,941
- Issue date Apr 25, 2017
- Level 3 Communications, LLC
- Christopher Sayer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Regional independent tandem telephone switch
- Patent number 9,197,948
- Issue date Nov 24, 2015
- Level 3 Communications, LLC
- Christopher Sayer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
REGIONAL INDEPENDENT TANDEM TELEPHONE SWITCH
- Publication number 20170230732
- Publication date Aug 10, 2017
- LEVEL 3 COMMUNICATIONS, LLC
- Christopher Sayer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REGIONAL INDEPENDENT TANDEM TELEPHONE SWITCH
- Publication number 20160080270
- Publication date Mar 17, 2016
- LEVEL 3 COMMUNICATIONS, LLC
- Christopher Sayer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REGIONAL INDEPENDENT TANDEM TELEPHONE SWITCH
- Publication number 20130089086
- Publication date Apr 11, 2013
- LEVEL 3 COMMUNICATIONS, LLC
- Christopher Sayer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE