4. Photocopying
  5. Contact printing
  6. Light boxes

Calvin A. Frelier

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Fiber optical laser collimating device

Optical waveguides – With disengagable mechanical connector – Optical fiber/optical fiber cable termination structure
Patent

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Optical reproduction apparatus and improved bellows therefor

Photocopying – Contact printing – Light boxes
Patent

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Power lift device for document feeder

Photocopying – Contact printing – Light boxes
Patent

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Rain gutter drainage and debris removal system

Static structures (e.g. – buildings) – Cover with surface water receiver at eave or valley
Reexamination Certificate

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Profile ID: LFUS-PAI-P-694195

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