4. Photography
  5. With exposure objective focusing means, focusing aid, or...
  6. Having auxiliary illumination

W. B. Parkey

Examiner

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Distance measuring device for a camera

Photography – With exposure objective focusing means – focusing aid – or... – Having auxiliary illumination
Patent

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Electronic flash control apparatus

Photography – With object illumination for exposure – Having preexposure illumination
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1346297

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