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The ornamental design for an immunoassay matrix, as shown and described. |
FIG. 1 is a perspective view of an immunoassay matrix showing our new design;
FIG. 2 is a top plan view thereof, the bottom plan view being the same in appearance;
FIG. 3 is an end elevational view thereof;
FIG. 4 is a side elevational view thereof;
FIG. 5 is a second embodiment of FIG. 1, the undisclosed portions being identical to that shown in FIGS. 2-4 and the only difference residing in the number of clear circles disclosed;
FIG. 6 is a third embodiment of FIG. 1, the undisclosed portions being identical to that shown in FIGS. 2-4 and the only difference residing in the number of clear circles disclosed.
Chang, Nancy T., Chang, Tse W.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 01 1900 | CHANG, TSE W | TANOX BIOSYSTEMS, INC , 10301 STELLA LINK, HOUSTON, TEXAS 77025 A CORP OF TEXAS | ASSIGNMENT OF ASSIGNORS INTEREST | 004720 | /0488 | |
Apr 16 1987 | CHANG, NANCY, T , | TANOX BIOSYSTEMS, INC , 10301 STELLA LINK, HOUSTON, TEXAS 77025 A CORP OF TEXAS | ASSIGNMENT OF ASSIGNORS INTEREST | 004720 | /0488 | |
Apr 17 1987 | Tanox Biosystems, Inc. | (assignment on the face of the patent) | / |
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