4. Optical: systems and elements
  5. Mirror
  6. Plural mirrors or reflecting surfaces

Art Freilich

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Dual earplug

Medical and laboratory equipment – Prophylactic article – Ear plug or nose clip
Patent

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Earplug with insertion stem

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Emergency service rescue marker

Communications: electrical – Audible indication
Patent

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Offshore gas flare system

Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor
Patent

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TV viewing system

Optical: systems and elements – Mirror – Plural mirrors or reflecting surfaces
Patent

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Profile ID: LFUS-PAI-P-1017959

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