4. Communications, electrical: acoustic wave systems and devices
  5. Echo systems
  6. Distance or direction finding

Philippe Arnaud

Inventor

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3D glasses

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

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Demining device

Ammunition and explosives – Mines – Counter measure
Patent

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Electrode structure for electron gun

Electric lamp and discharge devices – Cathode ray tube – Ray generating or control
Reexamination Certificate

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Electron gun for cathode-ray tube with improved beam shaping...

Electric lamp and discharge devices – Cathode ray tube – Plural beam generating or control
Reexamination Certificate

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Exercise mine and programming and simulation device therefor

Ammunition and explosives – Mines
Patent

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Profile ID: LFUS-PAI-P-207209

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