4. Telephonic communications
  5. Plural exchange network or interconnection
  6. Connection call model

Michael D. Lange

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Method and apparatus for providing virtual facility communicatio

Telephonic communications – Plural exchange network or interconnection – Connection call model
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Method for etching mesa isolation in antimony-based compound...

Semiconductor device manufacturing: process – Chemical etching – Vapor phase etching
Reexamination Certificate

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Methods and apparatus for controlling audio characteristics...

Multiplex communications – Communication techniques for information carried in plural...
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Profile ID: LFUS-PAI-P-343008

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