Number | Name | Date | Kind |
---|---|---|---|
4508221 | Olson | Apr 1985 | A |
4564322 | Stapley | Jan 1986 | A |
4797040 | Hibbard | Jan 1989 | A |
4932294 | Chang | Jun 1990 | A |
4954026 | Zurwelle | Sep 1990 | A |
4973205 | Spaulding | Nov 1990 | A |
D331356 | Amsberry | Dec 1992 | S |
5196818 | Anderson | Mar 1993 | A |
5333767 | Anderson | Aug 1994 | A |
5361504 | Huang | Nov 1994 | A |
5405004 | Vest et al. | Apr 1995 | A |
5445479 | Hillinger | Aug 1995 | A |
D386662 | Tozawa et al. | Nov 1997 | S |
5797670 | Snoke et al. | Aug 1998 | A |
5810525 | Ector, Sr. | Sep 1998 | A |
D409467 | Chung | May 1999 | S |
D411947 | Sugimoto et al. | Jul 1999 | S |
5954458 | Lee | Sep 1999 | A |
Number | Date | Country |
---|---|---|
2491795 | Apr 1982 | FR |
2 163 914 | Mar 1986 | GB |
Entry |
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International Search Report—mailed Apr. 24, 2000. |
Skil Power Tools Web Page illustrating Dual Sourceâ„¢ Drill. |