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

Gottfried Stemmer

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Device for manually inserting a slide into a slide frame

Package making – Means to fill and close preformed receptacle
Patent

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Method and apparatus for inserting slide frames or film strips i

Package making – Methods – Filling preformed receptacle
Patent

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Method for inserting a slide into a slide frame

Metal working – Method of mechanical manufacture – Obtaining plural product pieces from unitary workpiece
Patent

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Method of automatically detecting the locations of the frame lin

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

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Profile ID: LFUS-PAI-P-905450

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