Number | Date | Country | Kind |
---|---|---|---|
9203670 | Dec 1992 | SEX |
Number | Name | Date | Kind |
---|---|---|---|
3596718 | Fish | Jul 1969 | |
3911736 | Miller | Oct 1975 | |
3920082 | Dudek | Nov 1975 | |
4030353 | Shutt | Jun 1977 | |
4060137 | Bickford et al. | Nov 1977 | |
4384493 | Grunbaum | May 1983 | |
4503713 | Obayashi et al. | Mar 1985 | |
4989459 | Faber, Jr. | Feb 1991 |
Number | Date | Country |
---|---|---|
0264034 | Apr 1988 | EPX |
0386895 | Sep 1990 | EPX |
1254380 | Jul 1965 | DEX |
3804043A1 | Jul 1989 | DEX |
Entry |
---|
Patent Abstracts of Japan, vol. 7, No. 221 (M-246) (1366) Sep. 30, 1983 & JP-A-58 114 830 (Nitsutou Seikou K.K.). |