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The ornamental design a tissue culture flask, as shown. |
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FIG. 1 is a top and front perspective view of the tissue culture flask;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a side elevational view thereof;
FIG. 5 is a back elevational view thereof; and,
FIG. 6 is a bottom plan view thereof.
Stevens, Timothy A., Mussi, Edward
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| May 18 1995 | Becton, Dickinson and Company | (assignment on the face of the patent) | / | |||
| May 18 1995 | STEVENS, TIMOTHY A | Becton, Dickinson and Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007571 | /0933 | |
| May 23 1995 | MUSSI, EDWARD | Becton, Dickinson and Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007571 | /0933 |
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