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Mobile activity status tracker
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Patent number 9,467,844
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Issue date Oct 11, 2016
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TeleCommunication Systems, Inc.
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Erik L. Wallace
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Mobile activity status tracker
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Patent number 9,241,040
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Issue date Jan 19, 2016
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TeleCommunication Systems, Inc.
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Erik L. Wallace
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Mobile activity status tracker
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Patent number 7,894,825
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Issue date Feb 22, 2011
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TeleCommunication Systems, Inc.
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Erik L. Wallace
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Mobile activity status tracker
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Patent number 7,110,773
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Issue date Sep 19, 2006
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TeleCommunication Systems, Inc.
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Erik L. Wallace
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H04 - ELECTRIC COMMUNICATION TECHNIQUE