4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

John E. Tanner

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Correlating optical motion detector

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

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Manufacture of piston rings

Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent

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Process for embedding hard particles in a bearing surface

Coating processes – Solid particles or fibers applied – Localized different areas produced
Patent

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Profile ID: LFUS-PAI-P-327940

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