4. Optical: systems and elements
  5. Lens
  6. With viewed object or viewed field illumination

W. Andrew Morrison

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

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Video magnifier for assisting persons with vision impairment

Photography and optical equipment – Projector or viewer – Integrated unit
Patent

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Wedge action electrical test probe

Electricity: measuring and testing – Testing potential in specific environment – Voltage probe
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Zoom lens and magnifier utilizing the same

Optical: systems and elements – Lens – With viewed object or viewed field illumination
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Profile ID: LFUS-PAI-P-379688

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