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 |
|---|---|---|---|
| 000946215 | May 2008 | EM | regional |
| Number | Name | Date | Kind |
|---|---|---|---|
| 350751 | Lane | Oct 1886 | A |
| 1303050 | Flagge | May 1919 | A |
| 1414493 | Albert | May 1922 | A |
| 1555582 | Jordan | Sep 1925 | A |
| 1746839 | Main et al. | Feb 1930 | A |
| 4240412 | James | Dec 1980 | A |
| 4288891 | Boden | Sep 1981 | A |
| D298215 | Davis | Oct 1988 | S |
| D308731 | Maglica et al. | Jun 1990 | S |
| D321471 | Stumpf et al. | Nov 1991 | S |
| D367222 | Ikeda | Feb 1996 | S |
| D374607 | Shoda | Oct 1996 | S |
| D387973 | Layman | Dec 1997 | S |
| D392555 | Glickman et al. | Mar 1998 | S |
| D423919 | Galinski | May 2000 | S |
| D513170 | Byers | Dec 2005 | S |
| D595120 | Plowman | Jun 2009 | S |
| 20080202032 | Loidolt | Aug 2008 | A1 |