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The ornamental design for an overhead projector, as shown and described. |
FIG. 1 is a front, top, and right side perspective view of an overhead projector showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a right side elevational view thereof; and
FIG. 6 is a left side elevational view thereof.
The undisclosed bottom is plain and unornamented.
Mango, Joseph R., Wolfe, Donald G.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 03 1975 | Minnesota Mining and Manufacturing Company | (assignment on the face of the patent) | / |
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