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Data signalling system
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Patent number 4,636,791
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Issue date Jan 13, 1987
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Motorola, Inc.
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Timothy M. Burke
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G06 - COMPUTING CALCULATING COUNTING
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Data signalling system
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Patent number 4,590,473
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Issue date May 20, 1986
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Motorola, Inc.
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Timothy M. Burke
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G06 - COMPUTING CALCULATING COUNTING
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Digital voice storage mobile
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Patent number 4,495,647
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Issue date Jan 22, 1985
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Motorola, Inc.
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Timothy M. Burke
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Digital voice storage system
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Patent number 4,468,813
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Issue date Aug 28, 1984
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Motorola, Inc.
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Timothy M. Burke
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Bit data operated squelch
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Patent number 4,450,573
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Issue date May 22, 1984
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Motorola Inc.
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Scott W. Noble
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H04 - ELECTRIC COMMUNICATION TECHNIQUE