The broken lines in the drawings depict unclaimed environmental subject matter.
The broken lines in the drawings depict unclaimed environmental subject matter.
| Number | Name | Date | Kind |
|---|---|---|---|
| D292604 | Seo | Nov 1987 | S |
| D353323 | Meng | Dec 1994 | S |
| D365583 | Viken | Dec 1995 | S |
| 5667113 | Clarke et al. | Sep 1997 | A |
| D394449 | Shimizu | May 1998 | S |
| D431612 | Choi | Oct 2000 | S |
| D450788 | Kawasaki | Nov 2001 | S |
| D458318 | Christianson | Jun 2002 | S |
| D470871 | Burger et al. | Feb 2003 | S |
| D533693 | Lee | Dec 2006 | S |
| D549756 | Park et al. | Aug 2007 | S |
| D559288 | Matsuda | Jan 2008 | S |
| D566737 | Matsuda | Apr 2008 | S |
| D579035 | Kim et al. | Oct 2008 | S |