4. Plastic and nonmetallic article shaping or treating: processes
  5. Optical article shaping or treating
  6. Rotational molding

William C. Hoffman

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Apparatus and method for tinting hydrophilic contact lenses

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent

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Automatic document feeder and registration system therefor

Sheet feeding or delivering – Feeding – With means to align sheet
Patent

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Automatic document feeder and registration system therefor

Sheet feeding or delivering – Feeding – With means to interrupt feeding
Patent

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Automatic document feeder and registration system therefor

Sheet feeding or delivering – Feeding – With means to align sheet
Patent

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Automatic document feeder and registration system therefor

Sheet feeding or delivering – Feeding – Separator and conveyor
Patent

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Profile ID: LFUS-PAI-P-329619

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