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Access control apparatus for use with buildings, gated propertie

Telephonic communications – Telephone line or system combined with diverse electrical... – Remote control
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Access control apparatus for use with buildings, gated propertie

Telephonic communications – Telephone line or system combined with diverse electrical... – Remote control
Patent

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Access control system having a programmable automatic...

Telephonic communications – Telephone line or system combined with diverse electrical... – Remote control
Reexamination Certificate

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Access control system having tenant codes that may be...

Telephonic communications – Telephone line or system combined with diverse electrical... – Remote control
Reexamination Certificate

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Access to extended telephone services via the internet

Telephonic communications – Telephone line or system combined with diverse electrical... – To produce visual-graphic copy
Reexamination Certificate

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Access to extended telephone services via the internet

Telephonic communications – Telephone line or system combined with diverse electrical... – To produce visual-graphic copy
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Account balancing and monitoring system for a telecommunications

Telephonic communications – Telephone line or system combined with diverse electrical... – Credit authorization
Patent

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Acoustic communication terminal apparatus and recording...

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

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Acoustic coupler and data transmission apparatus using the same

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent

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Acoustic coupler for high-speed modem

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
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Acoustic coupling product label

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

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Activation of electronic lock using telecommunications network

Telephonic communications – Telephone line or system combined with diverse electrical... – Remote control
Reexamination Certificate

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Adaptable method and system for message delivery

Telephonic communications – Telephone line or system combined with diverse electrical... – To produce visual-graphic copy
Patent

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Adaptable subscriber unit for interactive telephone...

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

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Adapter circuitry for computers to support computer telephony

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent

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Adapter for connecting a modem to a digital private branch excha

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent

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Adapter for interfacing a work station terminal to a key telepho

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent

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Adaptive communication system within a transaction card network

Telephonic communications – Telephone line or system combined with diverse electrical... – Credit authorization
Patent

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Adaptive dialing system and method

Telephonic communications – Telephone line or system combined with diverse electrical... – To produce visual-graphic copy
Reexamination Certificate

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Adaptive equalizer

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
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