4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. Polymers from only ethylenic monomers or processes of...

Otto Kretzschmar

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Blister pack for an optical lens

Special receptacle or package – For eyeglass or spectacle – Contact lens
Patent

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Combined lid and package for contact lenses

Travel goods and personal belongings – Carrier or storage container – Optical equipment
Patent

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Cross-linkable copolymers and hydrogels

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent

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Cross-linkable copolymers and hydrogels

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent

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Cross-linkable copolymers and hydrogels

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-557844

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