The broken lines in the drawings depict unclaimed environmental subject matter.
The broken lines in the drawings depict unclaimed environmental subject matter.
| Number | Date | Country | Kind |
|---|---|---|---|
| 001126650 | Apr 2009 | EM | regional |
| Number | Name | Date | Kind |
|---|---|---|---|
| D161912 | Fotie | Feb 1951 | S |
| 4440588 | Stevenson et al. | Apr 1984 | A |
| 4834828 | Murphy | May 1989 | A |
| 5110398 | Murphy | May 1992 | A |
| 5935357 | Hubbard et al. | Aug 1999 | A |
| 6453964 | Pfotenhauer et al. | Sep 2002 | B1 |
| 6596972 | Di Novo et al. | Jul 2003 | B1 |
| 6761201 | Pelcarsky et al. | Jul 2004 | B2 |
| 6866077 | Zurmuhle et al. | Mar 2005 | B2 |
| 7094298 | Schwetz | Aug 2006 | B2 |
| D558803 | Gisler et al. | Jan 2008 | S |
| 20030019586 | Henegar | Jan 2003 | A1 |