4. Spring devices
  5. Fluid
  6. Expansible-contractible chamber device

John Valdez

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End plates for air bellows

Spring devices – Fluid – Expansible-contractible chamber device
Reexamination Certificate

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Methods and systems for visual voice calls

Telephonic communications – Audio message storage – retrieval – or synthesis – Interaction with an external nontelephone network
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2519338

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