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The ornamental design for a needle head for a biopsy cannula, as shown and described. |
FIG. 1 is a perspective view of a needle head for a biopsy cannula showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a side elevational view thereof, the opposite side elevational view being identical thereto;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is an end elevational view thereof; and,
FIG. 6 is an end elevational view thereof, opposite that shown in FIG. 5.
The broken line showing of the cannula in FIGS. 1-4 is for illustrative purposes only and forms no part of the claimed design.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jul 19 1990 | CHETTLEBURGH, KENNETH E | DLP, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005391 | /0851 | |
Jul 31 1990 | DLP, Inc. | (assignment on the face of the patent) | / | |||
Mar 17 1994 | DEVRIES, JAMES H , CHAIRMAN, DLP, INC | Medtronic, Inc | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007203 | /0458 |
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