4. Surgery
  5. Respiratory method or device
  6. Means for preventing nasal inhalation

James R. Lutz

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Buckle for a diving mask

Hydraulic and earth engineering – Diving – Suit or accessory therefor
Patent

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Diving mask

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

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Diving mask with four windows

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

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Diving mask with quick-release strap attachment

Apparel – Guard or protector – For wearer's head
Patent

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Diving mask with two windows

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

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Profile ID: LFUS-PAI-P-763889

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