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

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Drawing head for a drawing machine

Geometrical instruments – Straightedge type – Base attached

Patent

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Drawing instrument

Geometrical instruments – Straightedge type – With means for moving straightedge over a surface

Patent

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Drawing instrument

Geometrical instruments – Straightedge type – Plural straightedges – relatively moveable

Patent

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Drawing instrument

Geometrical instruments – Straightedge type

Patent

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Drawing instrument and locking apparatus therefor

Geometrical instruments – Straightedge type – Base attached

Patent

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Drawing instruments

Geometrical instruments – Straightedge type – Base attached

Patent

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Drawing machine carrriage

Geometrical instruments – Straightedge type – Base attached

Patent

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Drawing triangle

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

Patent

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Drawing triangle and/or protractor, in particular for blackboard

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

Patent

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Drywall T-square

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

Reexamination Certificate

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Dual chalk line device

Geometrical instruments – Straightedge type – Cord type

Utility Patent

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Dual chalk line device

Geometrical instruments – Straightedge type – Cord type

Reexamination Certificate

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Dual chalk line marker

Geometrical instruments – Straightedge type – Cord type

Patent

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Dual chalk line marking device

Geometrical instruments – Straightedge type – Cord type

Reexamination Certificate

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Dual line protractor for biometric measurements

Geometrical instruments – Straightedge type – Plural straightedges – relatively moveable

Reexamination Certificate

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Dual line protractor for biometric measurements

Geometrical instruments – Straightedge type – Plural straightedges – relatively moveable

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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