4. Photocopying
  5. Contact printing
  6. Light monitoring exposure control

Charles J. Watson

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Control system for photographic film printer

Photocopying – Contact printing – Light monitoring exposure control
Patent

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Control system for photographic film printers

Photocopying – Contact printing – Light monitoring exposure control
Patent

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Exposure control unit

Photocopying – Projection printing and copying cameras – Illumination systems or details
Patent

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Frame count cuer for photographic film printers

Photocopying – Contact printing – Light monitoring exposure control
Patent

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Fuel additive delivery system

Fuel and related compositions – Apparatus for making or treating fuel composition
Patent

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Profile ID: LFUS-PAI-P-1130703

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