| Number | Date | Country | Kind |
|---|---|---|---|
| 53-358119 | Feb 1978 | JPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| D222911 | Weiss et al. | Feb 1972 | |
| D246306 | Kishi | Nov 1977 | |
| D250474 | Nishigaki | Dec 1978 | |
| 3900172 | Kamaya | Aug 1975 |
| Entry |
|---|
| Lafayette Electronics, No. #750, .COPYRGT. 1974, p. 75, Item #7, head cleaner cassette. |