4. Plastic article or earthenware shaping or treating: apparatus
  5. Female mold and charger to supply fluent stock under...
  6. With means between charger and mold to cut off flow of...

Carl G. Crowe

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Annular gated mold for the injection molding of contact lenses

Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means between charger and mold to cut off flow of...
Patent

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Contact lenses bearing identifying marks

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

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Contact lenses bearing marks

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

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Profile ID: LFUS-PAI-P-1066234

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