Switch system for directing call from a calling to a receiving instrument

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United States of America Patent

PATENT NO 5604794
SERIAL NO

08407809

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A switch system for directing a call from a calling instrument to a receiving instrument. The switch system comprises a call originator unit that is electrically connected between the calling instrument and an outgoing telephone line. The switch system also includes a call receiver unit that is electrically connected between an incoming telephone line and the receiving instrument. The incoming telephone line is electrically connected to the outgoing telephone line.

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Patent Owner(s)

Patent OwnerAddress
INTERTECH ENGINEERING ASSOCIATES INCDEDHAM MA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cherry, Diane P Foxboro, MA 2 46
Vogel, Danny C Randolph, MA 16 353
Vogel, David A Westwood, MA 28 210

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