Clark E. Johnson, Jr.

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Madison, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Dial up telephone conferencing system controlled by an online compu...
- Patent number 8,077,844
- Issue date Dec 13, 2011
- Xugave Holding DE LLC
- Clark E. Johnson, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dial up telephone conferencing system controlled by an online compu...
- Patent number 7,522,542
- Issue date Apr 21, 2009
- Caritas Technologies, Inc.
- Clark E. Johnson, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DIAL UP TELEPHONE CONFERENCING SYSTEM CONTROLLED BY AN ONLINE COMPU...
- Publication number 20120140909
- Publication date Jun 7, 2012
- XUGAVE HOLDING DE LLC
- Clark E. Johnson, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dial Up Telephone Conferencing System Controlled by an Online Compu...
- Publication number 20090252310
- Publication date Oct 8, 2009
- CARITAS TECHNOLOGIES, INC.
- Clark E. Johnson, JR.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE