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Communication privacy services
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Patent number 8,875,231
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Issue date Oct 28, 2014
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Sprint Communications Company L.P.
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Larry H. Piercy
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Customer controlled hotline
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Patent number 8,335,306
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Issue date Dec 18, 2012
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Sprint Communications Company L.P.
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Larry H. Piercy
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Early media service control
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Patent number 8,139,750
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Issue date Mar 20, 2012
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Sprint Communications Company L.P.
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Larry H. Piercy
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Trunk sparing
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Patent number 8,027,454
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Issue date Sep 27, 2011
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Sprint Communications Company L.P.
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Larry H. Piercy
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Service variation selection
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Patent number 7,920,688
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Issue date Apr 5, 2011
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Sprint Communications Company L.P.
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Larry H. Piercy
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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