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The ornamental design for the tone arm, shown. |
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FIG. 1 is a top right front perspective view of the tone arm.
FIG. 2 is a top left front perspective view of the tone arm.
FIG. 3 is a rear side view of the tone arm.
FIG. 4 is a top plan view of the tone arm.
FIG. 5 is a bottom plan view of the tone arm.
Christie, Cary L., Ikeda, Makoto
| Patent | Priority | Assignee | Title |
| D257534, | Dec 26 1977 | R & D Office Makoto Ltd. | Tone-arm |
| D904393, | Dec 28 2018 | Sony Corporation | Disc player |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 31 1977 | Infinity Systems, Inc. | (assignment on the face of the patent) | / | |||
| Jan 07 1981 | INFINITY SYSTEMS, INC | IKC INTERNATIONAL, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 004010 | /0660 |
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