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The ornamental design for an electronic detection unit for an educational instrument, substantially as shown. |
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FIG. 1 is a top plan view of an electronic detection unit for an educational instrument illustrating my new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a front elevational view thereof; and
FIG. 6 is a back elevational view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 07 1984 | SLOAN, LAWRENCE L | PRICE STERN SLOAN PUBLISHERS, INC , A CORP OF CA | ASSIGNMENT OF ASSIGNORS INTEREST | 004245 | /0196 | |
| Mar 29 1984 | Price/Stern/Sloan/Publishers, Inc. | (assignment on the face of the patent) | / |
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