4. Electrical audio signal processing systems and devices
  5. Monitoring of sound
  6. Amplification control responsive to ambient sound

Steven Tischer

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Apparatus and method for restricting access to data

Telecommunications – Radiotelephone system – Security or fraud prevention
Reexamination Certificate

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Audio/video reproducing systems, methods and computer...

Electrical audio signal processing systems and devices – Monitoring of sound – Amplification control responsive to ambient sound
Reexamination Certificate

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Collaborative incident media recording system and related...

Communications: electrical – Condition responsive indicating system – With particular system function
Reexamination Certificate

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Creation of customized transactional cards

Registers – Systems controlled by data bearing records – Credit or identification card systems
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Creation of customized transactional cards

Registers – Systems controlled by data bearing records – Credit or identification card systems
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Profile ID: LFUS-PAI-P-2166877

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