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The ornamental design for a biological reaction cell, substantially as shown and described. |
FIG. 1 is a front perspective view of a biological reaction cell embodying our new design;
FIG. 2 is right end view thereof;
FIG. 3 is a left end view thereof;
FIG. 4 is a left side view thereof; the right side view being identical thereto;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof.
Sell, William J., Riege, David H., Marinkovich, Vincent A.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Nov 30 1983 | MARINKOVICH, VINCENT A | MAST IMMUNUOSYSTEMS, LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 004219 | /0572 | |
Dec 02 1983 | SELL, WILLIAM J | MAST IMMUNUOSYSTEMS, LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 004219 | /0572 | |
Dec 08 1983 | RIEGE, DAVID H | MAST IMMUNUOSYSTEMS, LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 004219 | /0572 | |
Jan 16 1984 | Mast Immunosystems, Ltd. | (assignment on the face of the patent) | / |
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