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

Hardin Optical Co.

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Stable tripod for telescope

Supports – Stand – Plural leg
Reexamination Certificate

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Telescope with auxiliary image generator

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

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Vacuum-actuated spherometer

Geometrical instruments – Gauge – Having a movable contact probe
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2154274

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