| Number | Name | Date | Kind |
|---|---|---|---|
| 4190781 | Sauerwein et al. | Feb 1980 | A |
| D314698 | Zurwelle | Feb 1991 | S |
| D326400 | Fushiya et al. | May 1992 | S |
| D332208 | Sakamoto et al. | Jan 1993 | S |
| D333960 | Somers | Mar 1993 | S |
| D339727 | Kikuchi | Sep 1993 | S |
| D340393 | Okumura | Oct 1993 | S |
| D342878 | Watanabe | Jan 1994 | S |
| D345090 | Okumura | Mar 1994 | S |
| D384262 | Hayakawa et al. | Sep 1997 | S |
| D396395 | Zurwelle | Jul 1998 | S |
| D400415 | Zurwelle | Nov 1998 | S |
| D400416 | Zurwelle | Nov 1998 | S |
| D402872 | Clowers et al. | Dec 1998 | S |
| D404275 | Bunyea et al. | Jan 1999 | S |
| D406511 | Zurwelle | Mar 1999 | S |
| D406740 | Zurwelle | Mar 1999 | S |
| D406741 | Zurwelle | Mar 1999 | S |
| D418730 | Main | Jan 2000 | S |
| D426126 | Schultz | Jun 2000 | S |
| D429134 | Schultz et al. | Aug 2000 | S |
| D437759 | Breit et al. | Feb 2001 | S |
| D440850 | Ozawa et al. | Apr 2001 | S |
| D452639 | Zurwelle | Jan 2002 | S |
| Entry |
|---|
| Drills, pp. 22-23, DeWalt Tool catalogue, c. 1998. |