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The ornamental design for a rack for holding cards used in teaching mathematics, as shown and described. |
FIG. 1 is a perspective view of a rack for holding cards used in teaching mathematics showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a cross sectional view taken along line 6--6 of FIG. 3 thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is another top view taken along line 8--8 of FIG. 4 thereof; and
FIG. 9 is a rear elevational view.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Feb 15 1985 | MORTENSEN, VERNON J | MORTENSEN EDUCATIONAL PRODUCTS, INC , A CORP OF DE | ASSIGNMENT OF ASSIGNORS INTEREST | 004391 | /0619 | |
Apr 01 1985 | Mortensen Educational Products, Inc. | (assignment on the face of the patent) | / |
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