Number | Date | Country | Kind |
---|---|---|---|
1036088 | Aug 1986 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
D281534 | Ushikubo | Nov 1985 | |
4240749 | Retzer | Dec 1980 | |
4354376 | Greenfield et al. | Oct 1982 |
Entry |
---|
American Scientific Products, 1981-82, p. 298, Plastic Coupling, Item C4677-20. |