Magnetic drawing toy

Manipulator for creating a multiplicity of varied line designs

Marker apparatus

Marker compass

Marker holding device for an ice scribe

Marker holding device for an ice scribe

Marking and cutting device

Marking gauge for measuring and marking French mats

Marking system

Mason's guide

Measurement line marker

Measurement tool

Measuring and drawing instrument

Measuring apparatus

Mechanical corner system for brickmasons

Method and device for drawing curved lines

Method and device for the measurement of angles on space planes

Method and means for centerless circle construction

Method for designing of aproximate elliptical structure and...

Method for reading the shape of any elastically deformable artic