The dates for ‘first use’ and first use ‘in commerce’ for this SunRace logo are impressively early at 1972 and 1973 respectively. I had not appreciated that SunRace derailleurs were imported to the US as early as February 1973.

• Publisher: US Patent and Trademark Office
• Inventor: Roots Enterprise Co. Ltd.
• Country: USA
• Date: First use May 1972
• Derailleur brands: SunRace
• Derailleurs: nothing specific