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 |
|---|---|---|---|
| D260852 | Loeschen | Sep 1981 | S |
| 4382571 | Horen | May 1983 | A |
| 4895331 | Nehls | Jan 1990 | A |
| D367001 | Bright | Feb 1996 | S |
| D430479 | McDonald | Sep 2000 | S |
| D447683 | Grosfillex | Sep 2001 | S |
| D576472 | Gaiardo | Sep 2008 | S |
| D611801 | Chustak | Mar 2010 | S |
| D661976 | Richter | Jun 2012 | S |
| D666078 | Foley et al. | Aug 2012 | S |