4. Tool driving or impacting
  5. Impacting devices

John N. Williams

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Arrangement for stabilizing an irradiated mask

Radiant energy – Irradiation of objects or material – Irradiation of semiconductor devices
Patent

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Auditorium simulator and the like employing different pinna filt

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Electron tunneling device

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

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Electron tunneling device

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

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Gas detector

Optics: measuring and testing – Inspection of flaws or impurities – Bore inspection
Patent

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Profile ID: LFUS-PAI-P-7624

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