Electrocardiograph

The ornamental design for an electrocardiograph, as shown and described.

FIG. 1 is a perspective view of an electrocardiograph of my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a rear elevational view thereof.

Patent	Priority	Assignee	Title
D256616,	Apr 05 1978		Terminal for computer assisted ECG service
D273325,	Mar 04 1981	Cambridge Instruments, Inc.	Electrocardiograph

Patent	Priority	Assignee	Title
3082970,
3978491,	Jan 10 1975		Method and system for recording heart lead tracings on segments of an EKG data strip and for detaching and transferring the segments to a permanent file
228471,
230211,
238971,

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