4. Photocopying
  5. Projection printing and copying cameras
  6. Detailed holder for original

Alexander S. Ross

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High output impedance current source

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate

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Slide supporting assembly for color-slide duplicator

Photocopying – Projection printing and copying cameras – Detailed holder for original
Patent

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Profile ID: LFUS-PAI-P-1834256

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