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The ornamental design for an electrocardiograph, as shown and described. |
FIG. 1 is a perspective view showing the front, top and right side of an electrocardiograph incorporating my new design;
FIG. 2 is an enlarged top plan view thereof;
FIG. 3 is a reduced front elevational view thereof;
FIG. 4 is a reduced rear elevational view thereof;
FIG. 5 is a reduced right side elevational view thereof;
FIG. 6 is a reduced left side elevational view thereof; and
FIG. 7 is a reduced bottom plan view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 21 1981 | WIEBE, WALTER W | International Business Machines Corporation, | ASSIGNMENT OF ASSIGNORS INTEREST | 003915 | /0607 | |
Jun 01 1981 | International Business Machines Corporation | (assignment on the face of the patent) | / |
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