| 
 | The ornamental design for a disposable immunoassay reaction tray, as shown and described. | |||||||||||||||||
FIG. 1 is a perspective view of a disposable immunoassay reaction tray showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof, the rear elevational view being identical thereto;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a side elevational view thereof; and,
FIG. 6 is a side elevational view thereof, opposite that shown in FIG. 5.
Khalil, Omar S., Hanna, Charles F., Zurek, Thomas F.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Aug 21 1990 | Abbott Laboratories | (assignment on the face of the patent) | / | |||
| Aug 21 1990 | KHALIL, OMAR S | Abbott Laboratories | ASSIGNMENT OF ASSIGNORS INTEREST | 005413/ | 0824 | |
| Aug 21 1990 | HANNA, CHARLES F | Abbott Laboratories | ASSIGNMENT OF ASSIGNORS INTEREST | 005413/ | 0824 | |
| Aug 21 1990 | ZUREK, THOMAS F | Abbott Laboratories | ASSIGNMENT OF ASSIGNORS INTEREST | 005413/ | 0824 | 
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