4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Photocell controls its own optical systems

Rupert Fuerthbauer

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Electro-optic welding lens assembly

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent

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Light filter with automatic regulationof optical transmission

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent

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Welding mask

Equipment for safety – protection – and rescue – Fire extinguisher or casing therefor – Portable or hand held
Patent

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Profile ID: LFUS-PAI-P-88134

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