Image: Windsurfpatent
Size of this preview: 475 × 600 pixels. Other resolutions: 190 × 240 pixels | 1,296 × 1,636 pixels.
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Description: Illustration from US Patent 3,487,800, issued to inventors Jim Drake and Hoyle Schweitzer on January 6, 1970
Title: Windsurfpatent
Credit: United States Patent and Trademark Office: Patent Number: US003487800
Author: United States Patent and Trademark Office
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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