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

Geometrical instruments – Straightedge type – Wall guide and plumb

Self supporting string line reel-line block tool

Geometrical instruments – Straightedge type – Base attached

Self-locking-and-measuring ruler for computer-printout forms

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

Set square

Geometrical instruments – Straightedge type – Shaft aligning

Shaft alignment device

Geometrical instruments – Straightedge type – Rules

Shaft compression packing ruler

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

Siding layout tool and method

Geometrical instruments – Straightedge type – Combined with level

Siding leveling device

Geometrical instruments – Straightedge type – Plural straightedges – relatively moveable

Sliding rule and protractor

Geometrical instruments – Straightedge type – Square and sliding nonpivotal straightedge

Sliding ruler square

Geometrical instruments – Straightedge type – Rules

Slip resistant ruler

Geometrical instruments – Straightedge type – Combined with level

Slope level

Geometrical instruments – Straightedge type – Combined with level

Slope level

Geometrical instruments – Straightedge type – Cord type

Snap line and method

Geometrical instruments – Straightedge type – Cord type

Snap line and method

Geometrical instruments – Straightedge type – Cord type

Snap line and method

Geometrical instruments – Straightedge type – Plural straightedges – relatively moveable

Snap locking angle adjustable device, in particular a...

Geometrical instruments – Straightedge type – Rules

Snap-on adaptor for architect's scale

Geometrical instruments – Straightedge type – Plural straightedges – relatively moveable

Spacer device

Geometrical instruments – Straightedge type – Square and fixed straightedge

Speed level