4. Telephonic communications
  5. With usage measurement
  6. Call charge metering or monitoring

Johannes Van Wingerden

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Apparatus and method for collecting data from a remote point...

Telephonic communications – With usage measurement – Call charge metering or monitoring
Reexamination Certificate

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Lithographic method of manufacturing a device

Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Radiation mask
Reexamination Certificate

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Lithographic method of manufacturing a device

Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Radiation mask
Reexamination Certificate

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Method of manufacturing a semiconductor device

Semiconductor device manufacturing: process – Coating with electrically or thermally conductive material – To form ohmic contact to semiconductive material
Reexamination Certificate

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Method of wet etching a silicon and nitrogen containing...

Semiconductor device manufacturing: process – Chemical etching – Liquid phase etching
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Profile ID: LFUS-PAI-P-2538651

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