In
In
The broken lines in the drawings depict unclaimed environmental subject matter.
In
In
The broken lines in the drawings depict unclaimed environmental subject matter.
| Number | Name | Date | Kind |
|---|---|---|---|
| D232189 | Goffredo | Jul 1974 | S |
| D250196 | Caccioli et al. | Nov 1978 | S |
| D302281 | Albright et al. | Jul 1989 | S |
| D323661 | Zwicker | Feb 1992 | S |
| D386504 | Dieck | Nov 1997 | S |
| D445118 | Zwicker et al. | Jul 2001 | S |
| D567263 | Sugihara et al. | Apr 2008 | S |