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6895675 |
Apparatus and methods for measuring the movement of a straightedge to draw lines or cut strips of a flat material
Novel measuring and cutting apparatus and methods are disclosed. In one embodiment, an apparatus includes a base member, an elongated member having an attachment end coupled to the base member and...
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6694633 |
Common rafter and hip layout tool
A common rafter and hip layout tool which provides a protractor portion, a common cut marking edge, a common cut marking edge pantograph arm to which is connected a bird's mouth marking arm, a seat...
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6260283 |
Multi-functional carpentry tool
A multi-functional carpentry tool includes a base plate having opposed front and back major surfaces, and at least one side edge bearing surface perpendicular to the front and back surfaces. A...
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5915807 |
All-in-one drawing apparatus
An all-in-one drawing apparatus has a protractor integrated with horizontal and vertical rulers on a drawing board. The vertical ruler has a pen holder adapted to move and scribe within the...
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5226238 |
Infinite square
A drawing aid device having a base upon which is positioned a rotating cap. The rotating cap is provided with a slot guide which fits into the slot provided in a drawing and measuring device. The...
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3589015 |
PROTRACTORS
A protractor comprises a flat table provided with a semicircular dial, this table carrying a supporting member adapted to receive a removable block on which is pivotally mounted an arm cooperating...
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3065546 |
Extension rule
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AI00280 |
Title is not available
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