LandOfFree - US Patents - Listing for Geometrical instruments

Geometrical instruments – Straight-line light ray type – Level

Optical device and measuring method

Geometrical instruments – Gauge – Straightness – flatness – or alignment

Optical disc spindle straightness testing apparatus and method

Geometrical instruments – Distance measuring – Scale reading position sensor

Optical fishing line meter

Geometrical instruments – Gauge – Container

Optical inspection apparatus and method for inspecting...

Geometrical instruments – Straight-line light ray type – Vertical angle

Optical instrument with angle indicator and method for...

Geometrical instruments – Straight-line light ray type – Alignment device

Optical measuring device system and method

Geometrical instruments – Gauge – With support for gauged article

Optical non-contacting cylindricity gauge

Geometrical instruments – Straight-line light ray type – Rod or target

Optical or laser ball target assemblies for precision location m

Geometrical instruments – Scriber – Pantographic

Optical pantograph

Geometrical instruments – Straight-line light ray type

Optical plumbing device

Geometrical instruments – Straight-line light ray type – Vertical and horizontal angle measurer

Optical plummet azimuth reference assembly

Geometrical instruments – Distance measuring – Scale reading position sensor

Optical position measuring instrument

Geometrical instruments – Distance measuring – Scale reading position sensor

Optical position measuring instrument

Geometrical instruments – Distance measuring – Scale reading position sensor

Optical position-measuring device

Geometrical instruments – Miscellaneous – Light direction

Optical protractor

Geometrical instruments – Distance measuring – Scale reading position sensor

Optical ruler structure

Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive

Optical sensor for measuring inclination angles

Geometrical instruments – Straight-line light ray type – Aerial bomb sight

Optical sight

Geometrical instruments – Straight-line light ray type – Multisight line

Optical sight arrangement for a firearm