4. Photography
  5. Having variable focal length of camera objective
  6. Lens moves in or out of light path

Jason D. Silver

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Diaphragm surrounding

Acoustics – Diaphragm – Mounting or suspension means
Reexamination Certificate

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Folding photographic method and apparatus

Photography – Having variable focal length of camera objective – Lens moves in or out of light path
Patent

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Resonating cone transducer

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1688649

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