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The ornamental design for a magnetic disc, as shown. |
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FIG. 1 is a top view of a magnetic disc showing our new design,
FIG. 2 is a front view thereof,
FIG. 3 is a right side view thereof,
FIG. 4 is a rear view thereof,
FIG. 5 is a left side view thereof,
FIG. 6 is a bottom view thereof,
FIG. 7 is a perspective view thereof.
Kikuchi, Katsutoshi, Takahashi, Katsumasa
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 23 1983 | TAKAHASHI, KATSUMASA | SONY CORPORATION, A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 004111 | /0439 | |
| Mar 23 1983 | KIKUCHI, KATSUTOSHI | SONY CORPORATION, A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 004111 | /0439 | |
| Mar 29 1983 | Sony Corporation | (assignment on the face of the patent) | / |
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