4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Photocell controlled circuit

Samuel Weiner

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Day/night sight including a beam combiner and a pivotable mirror

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent

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Optical angle measuring method and apparatus particularly for ma

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Portable manual knife sharpener

Tools and hardware – Other tools and implements – With relative movement of parts while performing function
Patent

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Portable manual sharpener for knives and the like

Abrading – Machine – Stationary tool
Patent

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Profile ID: LFUS-PAI-P-1342669

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