The portions of the sheet punch shown in broken lines in
The portions of the sheet punch shown in broken lines in
Number | Name | Date | Kind |
---|---|---|---|
2481883 | Semler | Sep 1949 | A |
4166404 | Almog | Sep 1979 | A |
4656907 | Hymmen | Apr 1987 | A |
5778750 | Drzewiecki et al. | Jul 1998 | A |
6032566 | Evans et al. | Mar 2000 | A |
D423039 | Cox | Apr 2000 | S |
6109155 | Huang | Aug 2000 | A |
D434443 | Mori et al. | Nov 2000 | S |
D493343 | Chen | Jul 2004 | S |
6786395 | Lin | Sep 2004 | B1 |
6799498 | Spiel | Oct 2004 | B2 |
D541867 | Kent et al. | May 2007 | S |
D542848 | Kent et al. | May 2007 | S |
D564593 | Kent et al. | Mar 2008 | S |
20070266836 | Marks | Nov 2007 | A1 |