Trigonometer

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United States of America Patent

PATENT NO 9212885
SERIAL NO

14101982

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Abstract

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The New Trigonometer is a device used to compute the trigonometric sine, cosine and tangent of angles. Consequently, the device could also be used to calculate the reciprocal sine, cosine, and tangent functions. The device constitutes of a protractor and a graduated ruler attached thereof. An arm is pivotally joined to the center of protractor and a second graduated ruler is pivotally joined to the arm in a way, which makes the New Trigonometer a reflection of the trigonometric circle.

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Patent Owner(s)

Patent OwnerAddress
KATTAN PATRICK ELIENot Provided

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kattan, Patrick Elie Maghdouche - Saida - South Lebanon, LB 1 1

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