The broken lines depict unclaimed environmental subject matter.
The broken lines depict unclaimed environmental subject matter.
| Number | Name | Date | Kind |
|---|---|---|---|
| D249250 | Peirish, Jr. | Sep 1978 | S |
| D291870 | Urbanski et al. | Sep 1987 | S |
| D312425 | Foster | Nov 1990 | S |
| D326621 | Jincks et al. | Jun 1992 | S |
| D343817 | Morrow | Feb 1994 | S |
| D345315 | Green et al. | Mar 1994 | S |
| D345316 | Green et al. | Mar 1994 | S |
| D347704 | Thompson | Jun 1994 | S |
| D355142 | Wagner | Feb 1995 | S |
| D360845 | Smith | Aug 1995 | S |
| 5452188 | Green et al. | Sep 1995 | A |
| D363675 | Sasaki et al. | Oct 1995 | S |
| 5826965 | Lyons | Oct 1998 | A |
| D402909 | Stanuch | Dec 1998 | S |
| D410402 | Stein et al. | Jun 1999 | S |
| D412678 | Smith et al. | Aug 1999 | S |
| D424728 | Green et al. | May 2000 | S |
| D427537 | Green et al. | Jul 2000 | S |
| D432038 | Sasaki et al. | Oct 2000 | S |
| D432444 | Sasaki et al. | Oct 2000 | S |
| 6140918 | Green et al. | Oct 2000 | A |
| D442106 | Stein et al. | May 2001 | S |
| D460950 | Miller et al. | Jul 2002 | S |
| D469711 | Neufeglise et al. | Feb 2003 | S |
| D476253 | Stein et al. | Jun 2003 | S |
| D489466 | Kreutzer et al. | May 2004 | S |
| D492047 | Kreutzer et al. | Jun 2004 | S |
| D499976 | Neufeglise et al. | Dec 2004 | S |
| D518023 | Miller | Mar 2006 | S |
| D518400 | Sasaki et al. | Apr 2006 | S |
| D520395 | Lazalier | May 2006 | S |
| D529279 | Parks | Oct 2006 | S |