The broken lines in the drawings represent unclaimed environmental subject matter.
The broken lines in the drawings represent unclaimed environmental subject matter.
| Number | Name | Date | Kind |
|---|---|---|---|
| D277042 | Carter et al. | Jan 1985 | S |
| D286339 | van Berne et al. | Oct 1986 | S |
| D302897 | Shchamorov et al. | Aug 1989 | S |
| D325278 | van der Vlies | Apr 1992 | S |
| D381513 | Brauner | Jul 1997 | S |
| D553858 | Sabanci | Oct 2007 | S |
| D600019 | Cope | Sep 2009 | S |
| H2235 | Manounian | Apr 2010 | H |