TREA

Periscopic sextants

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Industry

  • CPC
  • G01C1/14
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Parent Industries

GPHYSICS G01Measuring instruments G01CMEASURING DISTANCES, LEVELS OR BEARINGS SURVEYING NAVIGATION GYROSCOPIC INSTRUMENTS PHOTOGRAMMETRY OR VIDEOGRAMMETRY G01C1/00Measuring angles

Current Industry

G01C1/14Periscopic sextants
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2523577
    • Patent number 2,523,577
    • Issue date Sep 26, 1950
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2485558
    • Patent number 2,485,558
    • Issue date Oct 25, 1949
    • G02 - OPTICS

Patents Applicationslast 30 patents