Number | Date | Country | Kind |
---|---|---|---|
2001-004347 | Jan 2001 | JP |
Number | Name | Date | Kind |
---|---|---|---|
1455395 | Exum | May 1923 | A |
1943282 | Bellavia | Jan 1934 | A |
2260586 | Sheldon | Oct 1941 | A |
3353885 | Hanson | Nov 1967 | A |
5303057 | Davidow et al. | Apr 1994 | A |
Number | Date | Country |
---|---|---|
161 900 | Jul 1905 | DE |
644825 | Mar 1964 | FR |
2 155 123 | May 1973 | FR |
WO 9415824 | Jul 1994 | WO |
Entry |
---|
European Search Report dated Jun. 6, 2002. |