4. Electric lamp and discharge devices
  5. Cathode ray tube
  6. Beam deflecting means

Johannes C. Driessen

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Display device having a support structure for a wire cathode

Electric lamp and discharge devices – Cathode ray tube – Beam deflecting means
Patent

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Dual probe interferometer for object profile measuring

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

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Gas bearings for use with vacuum chambers and their...

Radiant energy – Irradiation of objects or material
Reexamination Certificate

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Gas bearings for use with vacuum chambers and their...

Photocopying – Projection printing and copying cameras – Detailed holder for original
Reexamination Certificate

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Isolation mounts for use with vacuum chambers and their...

Radiant energy – Irradiation of objects or material – Irradiation of semiconductor devices
Reexamination Certificate

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Profile ID: LFUS-PAI-P-281229

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