Marking plumb bob

Material dispensing apparatus with line level

Material dispensing apparatus with line level

Measuring device

Measuring instrument

Mechanical leveling device

Method and apparatus for aligning aircraft instruments bearing p

Method and apparatus for hydrostatical leveling

Method and apparatus for inclination measurement using piezoelec

Method and apparatus for monitoring physical positioning of a us

Method and apparatus for providing alignment particularly in...

Method and apparatus for securing and aligning bubble vials

Method and device for calibrating mobile terminal

Method for entering commands and/or characters for a...

Method for inclination measurement using piezoelectric effect

Method for measuring level of large structure

Method of adjusting angularity of light fixtures

Method of sensing tilt, tilt sensor, and method of...

Method of using a level

Micromechanical tilt sensor