4. Photography
  5. Having camera indicator
  6. Having display in viewfinder

William Perkey

Examiner

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Compact pulse stretcher

Photocopying – Projection printing and copying cameras – Illumination systems or details
Reexamination Certificate

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Lithographic projection method and apparatus

Photocopying – Projection printing and copying cameras – Step and repeat
Reexamination Certificate

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Picture composition guidance system

Photography – Having camera indicator – Having display in viewfinder
Patent

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Projection system using spatial filter

Optics: image projectors – Composite projected image – Multicolor picture
Reexamination Certificate

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Projection-type display optical system

Optics: image projectors – Reflector
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1829070

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