| Number | Date | Country | Kind |
|---|---|---|---|
| 2015-005549 | Mar 2015 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| 2510336 | Donahue | Jun 1950 | A |
| 4767373 | Antonio | Aug 1988 | A |
| 5083963 | Lin | Jan 1992 | A |
| 5971828 | Lin | Oct 1999 | A |
| D706176 | Oberg | Jun 2014 | S |
| D722714 | Stroumbas | Feb 2015 | S |
| D739793 | Oberg | Sep 2015 | S |
| Number | Date | Country |
|---|---|---|
| 1378807 | Feb 2010 | JP |
| D142077 | Aug 2011 | TW |
| Entry |
|---|
| Cycling Press, Inc., American Bicyclist and Motorcyclist, No. 5, vol. 112, (May 31, 1911), p. 26, (Japan Patent Office, Design Department, known document No. HB0302360300). |