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

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Scale balancing device in universal parallel ruler device

Geometrical instruments – Straightedge type – Base attached

Patent

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Scale balancing device in universal parallel ruler device

Geometrical instruments – Straightedge type – Base attached

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Scale balancing device in universal parallel ruler device

Geometrical instruments – Straightedge type – Base attached

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Scale balancing device in universal parallel ruler device

Geometrical instruments – Straightedge type – Base attached

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Scale balancing device in universal parallel ruler device

Geometrical instruments – Straightedge type – Base attached

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Scale magnifier

Geometrical instruments – Straightedge type – Rules

Patent

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Scale stabilzer

Geometrical instruments – Straightedge type – Square and sliding nonpivotal straightedge

Patent

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Scaling parallel bar

Geometrical instruments – Straightedge type – Base attached

Patent

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Scanning electron microscopic ruler and method

Geometrical instruments – Straightedge type – Rules

Patent

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Scientific ruler

Geometrical instruments – Straightedge type – Rules

Patent

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Seam line marker

Geometrical instruments – Straightedge type – Base attached

Patent

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See-thru engineering instrument

Geometrical instruments – Straightedge type – Rules

Reexamination Certificate

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See-thru engineering instrument

Geometrical instruments – Straightedge type – Rules

Patent

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Segmented shadow mask

Geometrical instruments – Straightedge type – Square and pivoted straightedge

Patent

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Segmented, combination level and square having a rotating joint

Geometrical instruments – Straightedge type – Combined with level

Patent

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Segmented, combination level and square having a rotating joint

Geometrical instruments – Straightedge type – Combined with level

Patent

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Self holding leveling square

Geometrical instruments – Straightedge type – Combined with level

Patent

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Self supporting string line reel-line block tool

Geometrical instruments – Straightedge type – Wall guide and plumb

Reexamination Certificate

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

Geometrical instruments – Straightedge type – Base attached

Patent

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Set square

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

Patent

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