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Henderson; Daniel A. Patents
Henderson; Daniel A.
Fort Worth, TX
No. of patents:

Patent Number Title Of Patent Date Issued
6611681 Method and apparatus for an improved call interrupt feature in a cordless telephone answering de August 26, 2003
A telecommunication device comprising a base unit and a cordless handset, wherein said telecommunication device is operable in a plurality of modes of operation. The base unit includes: (1) a ring signal detection module communicatively coupled to a telephone network; (2) a voice communi

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