4. Optics: measuring and testing
  5. Lens or reflective image former testing
  6. Optical center, cylinder axis, or prism measuring or...

PBH, Inc.

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Annular mask lens having diffraction reducing edges

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

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Colored contact lenses and method of making same

Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Composite or multiple layer
Reexamination Certificate

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Colored contact lenses and method of making same

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert
Reexamination Certificate

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Methods for fabricating annular mask lens having diffraction-red

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Making named article
Patent

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Ophthalmic lens inspection system

Optics: measuring and testing – Lens or reflective image former testing – For optical transfer function
Patent

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