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

Robert MacDonald Smith

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Mold for forming a contact lens and method of preventing...

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

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Mold for forming a contact lens and method of preventing...

Plastic article or earthenware shaping or treating: apparatus – With means to gather excess or rejected stock material
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2467654

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