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The ornamental design for an immunodiffusion plate, as shown. |
FIG. 1 is a perspective view of an immunodiffusion plate, showing my new design;
FIG. 2 is an enlarged top plan view thereof;
FIG. 3 is an enlarged front elevational view thereof, the rear elevational view being identical thereto;
FIG. 4 is an enlarged bottom plan view thereof;
FIG. 5 is an enlarged right side elevational view thereof, the left side elevational view being identical thereto;
FIG. 6 is an enlarged cross-sectional view taken along line 6--6 of FIG. 1; and
FIG. 7 is an enlarged fragmentary perspective view of the bottom portion of the immunodiffusion plate.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 07 1989 | Immuno Concepts, Inc. | (assignment on the face of the patent) | / | |||
Sep 29 2016 | IMMUNO CONCEPTS, INC , A TEXAS CORPORATION | COMERICA BANK | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 039910 | /0386 | |
Jun 28 2019 | COMERICA BANK | IMMUNO CONCEPTS, INC , A TEXAS CORPORATION | RELEASE BY SECURED PARTY SEE DOCUMENT FOR DETAILS | 049620 | /0572 |
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