Number | Date | Country | Kind |
---|---|---|---|
62-39727 | Feb 1987 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1361317 | Dulczewski et al. | Dec 1920 | |
1377061 | Deeg | Mar 1921 | |
1405369 | Watson | Jan 1922 | |
2466481 | Royal | Apr 1949 | |
2786701 | Povlich | Mar 1957 | |
3069193 | Kirk | Dec 1962 | |
3751086 | Geringer | Aug 1973 |
Number | Date | Country |
---|---|---|
330503 | Oct 1935 | ITX |
188267 | Mar 1937 | CHX |
Entry |
---|
Japanese Patent Laid Open Publication No. 38800/1974. |
Japanese Patent Publication No. 45278/1976. |
Japanese Patent Publication No. 53900/1971. |