Number | Date | Country | Kind |
---|---|---|---|
199 50 345 | Oct 1999 | DE |
Number | Name | Date | Kind |
---|---|---|---|
1936229 | Easthope et al. | Nov 1933 | A |
3983858 | Sevald | Oct 1976 | A |
4284055 | Wakeman | Aug 1981 | A |
4913331 | Utsumi | Apr 1990 | A |
5466702 | Ferrenberg | Nov 1995 | A |
5540191 | Clarke | Jul 1996 | A |
5632255 | Ferrenberg | May 1997 | A |
6019072 | Phillips et al. | Feb 2000 | A |
6199520 | Warren | Mar 2001 | B1 |
6209511 | Goto et al. | Apr 2001 | B1 |
6260519 | Phillips | Jul 2001 | B1 |
Number | Date | Country |
---|---|---|
4032202 | Apr 1992 | DE |
Entry |
---|
Patent Abstract of Japan No. 03-287,382, Dec. 12, 1991. |