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The ornamental design for a heat exchanger, as shown and described. |
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FIG. 1 is a top plan view of a heat exchanger in a circular configuration showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a left side elevational view thereof; and,
FIG. 5 is a right side elevational view thereof.
Hamasaki, Hiroaki, Takai, Kanehiro
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jun 01 1999 | Terumo Corporation | (assignment on the face of the patent) | / | |||
| Jul 26 1999 | HAMASAKI, HIROAKI | TERUMO KABUSHIKI KAISHA TERUMO CORPORATION | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010153 | /0803 | |
| Jul 26 1999 | TAKAI, KANEHIRO | TERUMO KABUSHIKI KAISHA TERUMO CORPORATION | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010153 | /0803 |
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