The broken lines showing the barrel of a pen illustrate environmental matter, and the circle drawn in broken lines in
The broken lines showing the barrel of a pen illustrate environmental matter, and the circle drawn in broken lines in
Number | Name | Date | Kind |
---|---|---|---|
D88821 | Platt et al. | Dec 1932 | S |
D284585 | Zierhut | Jul 1986 | S |
D312478 | Lecce | Nov 1990 | S |
D322093 | Eylers | Dec 1991 | S |
D352063 | de Haro Egea et al. | Nov 1994 | S |
D356113 | Maggio | Mar 1995 | S |
D361783 | Wei | Aug 1995 | S |
5927881 | Yang | Jul 1999 | A |
D566175 | Qiu et al. | Apr 2008 | S |
D569910 | Cetera | May 2008 | S |