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Cropped image showing first two paragraphs of the Wright Brothers' 1906 patent for the airplane.

Available at U.S. Patent and Trademark Office website:

Enter number 821393 in Patent Number Search box.

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hal-hazırkı 592 × 446 (122 KB) устранён перекос / skew eleminated
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319 × 245 (26 KB) Cropped image showing first two paragraphs of the Wright Brothers' 1906 patent for the airplane. Available at U.S. Patent and Trademark Office website: http://www.uspto.gov/patft/index.html Enter number 821393 in Patent Number Search box. Viewing softw

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