The wheels are understood to rotate. The direction of the wheels may vary within the drawings.
The broken lines shown in
The wheels are understood to rotate. The direction of the wheels may vary within the drawings.
The broken lines shown in
Number | Date | Country | Kind |
---|---|---|---|
137622 | Jan 2011 | CH | national |
Number | Name | Date | Kind |
---|---|---|---|
5062717 | Shockley | Nov 1991 | A |
7726671 | Musi | Jun 2010 | B2 |
D620249 | Yu | Jul 2010 | S |
D623406 | Yu | Sep 2010 | S |
D625895 | Musi | Oct 2010 | S |
D626329 | Chapelier | Nov 2010 | S |
D630013 | Yu | Jan 2011 | S |
D648935 | Wickrama | Nov 2011 | S |
8152178 | Sun et al. | Apr 2012 | B2 |
8215838 | Colonna | Jul 2012 | B1 |
D666809 | Hermann | Sep 2012 | S |