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The ornamental design for a teaching machine, substantially as shown and described. |
FIG. 1 is a front perspective view of the teaching machine showing our design;
FIG. 2 is a front elevational view of the teaching machine;
FIG. 3 is a rear elevational view of the teaching machine;
FIG. 4 is a right-side elevational view of the teaching machine;
FIG. 5 is a left-side elevational view of the teaching machine; and
FIG. 6 is a top plan view of the teaching machine.
Nagel, Dietmar, Lowinger, Andrew, Roegner, Peter
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Dec 30 1980 | NAGEL DIETMAR | North American Foreign Trading Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 003849 | /0917 | |
Dec 30 1980 | LOWINGER ANDREW | North American Foreign Trading Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 003849 | /0917 | |
Dec 30 1980 | ROEGNER PETER | North American Foreign Trading Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 003849 | /0917 | |
Jan 13 1981 | North American Foreign Trading Corporation | (assignment on the face of the patent) | / |
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