4. Optical: systems and elements
  5. Diffraction
  6. From grating

Thomas Hall

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Attenuator for a laser beam

Optical: systems and elements – Diffraction – From grating
Patent

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Mixers

Agitating – Rubber or heavy plastic working – Stirrer is through-pass screw conveyor
Patent

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Non-conductive wheel chock

Railways – Car stops – Displaceable chock
Patent

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Plug connector with mating protection and alignment means

Electrical connectors – Electromagnetic or electrostatic shield – Shielding individually surrounding or interposed between...
Reexamination Certificate

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Portable phone holder

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Patent

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Profile ID: LFUS-PAI-P-1278253

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