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Patent drawing - Windsurfpatent - . Public domain  image

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Patent drawing - Windsurfpatent - . Public domain image

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Summary

Illustration from US Patent 3,487,800, issued to inventors Jim Drake and Hoyle Schweitzer on January 6, 1970

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Date

1970
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Source

USPTO
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Windsurfpatent - Drawing. Public domain image.: Beautiful Novelty Ceramic Coffee Mug 11ozWindsurfpatent - Drawing. Public domain image.: Large Organizer Pouch with Black ZipperWindsurfpatent - Drawing. Public domain image.: Essential Tote Bag for Everyday UseWindsurfpatent - Drawing. Public domain image.: Large 3 Inch Pin Buttons with Crisp DesignWindsurfpatent - Drawing. Public domain image.: High Quality Matte Wall Art Poster for Home, Office, ClassroomWindsurfpatent - Drawing. Public domain image.: Spiral Bound Ruled Notebook with Printed CoverWindsurfpatent - Drawing. Public domain image.: Decorative Accent Square PillowWindsurfpatent - Drawing. Public domain image.: Laminated UV Protective Vinyl Stickers

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