Number | Name | Date | Kind |
---|---|---|---|
3037861 | Hoegl et al. | Jun 1962 | |
3287114 | Hoegl | Nov 1966 | |
3615414 | Light | Oct 1971 | |
3647432 | Holstead | Mar 1972 | |
3655378 | Contois et al. | Apr 1972 | |
3764315 | Mort et al. | Oct 1973 | |
3923762 | Stolka et al. | Dec 1975 | |
4013623 | Turner et al. | Mar 1977 |
Entry |
---|
Japanese Patent Publ., J5 0017-234. |