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The ornamental design for a coupling for a medical agent tank, as shown. |
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FIG. 1 is a perspective view of a coupling for a medical agent tank showing my design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jun 25 1990 | KOTAKE, NAOYUKI | NITTO KOHKI CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 005361 | /0246 | |
| Jul 03 1990 | Nitto Kohki Co., Ltd. | (assignment on the face of the patent) | / |
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