4. Photography and optical equipment
  5. Ophthalmic article
  6. Eyeglasses, eyewear, or frame therefor

Patrick C. Ho

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Expansible chamber engine

Internal-combustion engines – Multiple cylinder – Having rotary output shaft parallel to cylinders
Reexamination Certificate

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Expansible chamber engine with undulating flywheel

Internal-combustion engines – Multiple cylinder – Having rotary output shaft parallel to cylinders
Reexamination Certificate

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Eyewear

Photography and optical equipment – Ophthalmic article – Eyeglasses – eyewear – or frame therefor
Design Patent

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Profile ID: LFUS-PAI-P-2347364

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