4. Photocopying
  5. Projection printing and copying cameras
  6. Focus or magnification control

Christopher J. Mason

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Method and system for improving focus accuracy in a...

Photocopying – Projection printing and copying cameras – Focus or magnification control
Reexamination Certificate

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Method and system for improving focus accuracy in a...

Photocopying – Projection printing and copying cameras – Focus or magnification control
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Method and systems for improving focus accuracy in a...

Photocopying – Projection printing and copying cameras – Focus or magnification control
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

System and method for verifying and controlling the...

Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Radiation mask
Reexamination Certificate

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System and method to block unwanted light reflecting from a...

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

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