4. Optical: systems and elements
  5. Compound lens system
  6. Microscope

David John Copeland

Inventor

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Binocular

Photography and optical equipment – Optical article not elsewhere specified – Telescope
Design Patent

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Binocular

Photography and optical equipment – Optical article not elsewhere specified – Telescope
Design Patent

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Foot scanner

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Design Patent

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Microscope with adjustable stage

Optical: systems and elements – Compound lens system – Microscope
Reexamination Certificate

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Microscope with adjustable stage

Optical: systems and elements – Compound lens system – Microscope
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2368752

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