Number | Date | Country | Kind |
---|---|---|---|
MI9700019 | Jan 1997 | ITX |
Number | Name | Date | Kind |
---|---|---|---|
D239543 | Kratky | Apr 1976 | |
2756469 | Cattermole et al. | Jul 1956 | |
2896277 | Halligan | Jul 1959 | |
4162590 | Earley | Jul 1979 | |
4677791 | Larson et al. | Jul 1987 | |
5117585 | Andrisin, III | Jun 1992 |