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Reis started to work on the telephone.
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Reis completed the first non-working telephone
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Green went to Washington to conduct a patent search
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Bell put the first patent on the telephone
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Bell patent application was filled by his own attorney
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Habbard and Sanders offered to sell telephone patent right.
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Kellog retired from Western Electic
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Bell made the second telephone patent expired
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AT&T established Bell Telephone Laboratories
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AT&T develops the concept of the cellular telephony
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They had wireless telephones
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They have the IPhone 5