| Number | Name | Date | Kind |
|---|---|---|---|
| 2774155 | Hipp | Dec 1956 | A |
| 3234669 | Kachnik et al. | Feb 1966 | A |
| D216874 | Cline | Mar 1970 | S |
| D219809 | Coontz | Feb 1971 | S |
| 3598186 | Coontz | Aug 1971 | A |
| D248302 | Zoller | Jun 1978 | S |
| 4463507 | Gaub | Aug 1984 | A |
| D331380 | Craddock | Dec 1992 | S |
| 5411102 | Nickels et al. | May 1995 | A |
| 5427185 | Seal | Jun 1995 | A |
| 5529131 | Van Ornum | Jun 1996 | A |
| D395436 | Hagenbuch | Jun 1998 | S |
| 5775438 | Confoey et al. | Jul 1998 | A |
| D623668 | Bissell | Sep 2010 | S |
| D672370 | Becker | Dec 2012 | S |
| Entry |
|---|
| Australian Design Application No. 11905/2012, Grader Attachment Assembly and Components, Challenge Implements Holdings Pty Limited, Apr. 17, 2012. |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 29445522 | Feb 2013 | US |
| Child | 29457523 | US |