Plano, Texas
United States
11
2013-03-05
The entities that hold a legal rights for patent applications filed by inventor Hansen, II Harold E. A.:
Harold E. A. Hansen, II from Plano, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Phone directory in a voice over IP telephone system
#2 | 2010-11-02Quality of service in a remote telephone
#3 | 2009-10-15Shared knowledge in a telephone system
#4 | 2009-07-21Shared knowledge in a telephone system
#5 | 2008-09-02Telephone call/voice processing system
#6 | 2007-05-22Dialing using caller ID
#7 | 2006-10-17Voice mail in a voice over IP telephone system
#8 | 2006-06-27Quality of service in a voice over IP telephone system
#9 | 2005-09-06Dial on-hold
#10 | 2005-08-02Service observing in a voice over IP telephone system
#11 | 2005-01-11Communications system enhanced with human presence sensing capabilities
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