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Patent Inventor: Maxim Bakaleynik
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Crescendo telephone ringer
Inventor: Lesniak, et al. | Patent Number: 7251321
Electronic programmer for telephones with auto-dial
Inventor: Hermanson, et al. | Patent Number: 6567512
Method and apparatus for detecting data port usage
Inventor: Jauregui, et al. | Patent Number: 6456713
Low power line selection circuit for a telephone
Inventor: Jauregui, et al. | Patent Number: 6252957
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