LandOfFree - US Patents - Listing for Geometrical instruments,Straightedge type

Geometrical instruments – Straightedge type – Wall guide and plumb

Masonry line block and corner pole

Geometrical instruments – Straightedge type – Wall guide and plumb

Masonry line stretcher

Geometrical instruments – Straightedge type – Wall guide and plumb

Masonry story pole with adjustable braces

Geometrical instruments – Straightedge type – Plural straightedges nonadjustably fixed at right angles

Mat board cutting guide

Geometrical instruments – Straightedge type – Rules

Measurement device

Geometrical instruments – Straightedge type – Rules

Measurement device and method of use with curves

Geometrical instruments – Straightedge type – Rules

Measurement device with British/metric scales

Geometrical instruments – Straightedge type – Plural straightedges – relatively moveable

Measurement method and apparatus

Geometrical instruments – Straightedge type – Plural straightedges nonadjustably fixed at right angles

Measuring and drafting tool

Geometrical instruments – Straightedge type – Rules

Measuring and drawing instrument

Geometrical instruments – Straightedge type – Rules

Measuring and instructional ruler

Geometrical instruments – Straightedge type – Rules

Measuring and instructional ruler

Geometrical instruments – Straightedge type – Rules

Measuring and instructional ruler device

Geometrical instruments – Straightedge type – Rules

Measuring and leveling device and method of using same

Geometrical instruments – Straightedge type – Plural straightedges – relatively moveable

Measuring and shifting square

Geometrical instruments – Straightedge type – Rules

Measuring device

Geometrical instruments – Straightedge type – Plural straightedges – relatively moveable

Measuring device

Geometrical instruments – Straightedge type – Rules

Measuring device

Geometrical instruments – Straightedge type – Rules

Measuring device for teaching incremental measurements