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The ornamental design for manual vacuum filtration container for liquid specimens, as shown and described. |
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FIG. 1 is a front perspective view of a manual vacuum filtration container showing my new design;
FIG. 2 is a front elevational view thereof, the rear being a mirror image;
FIG. 3 is a top plan view thereof, and;
FIG. 4 is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Oct 19 1987 | KLEIN, VERNON W | MARION LABORATORIES, INC , KANSAS CITY, MISSOURI A CORP OF DE | ASSIGNMENT OF ASSIGNORS INTEREST | 004795 | /0340 | |
| Oct 28 1987 | Marion Laboratories, Inc. | (assignment on the face of the patent) | / | |||
| Aug 24 1990 | MARION LABORATORIES, INC , A CORP OF DE | Becton Dickinson and Company | ASSIGNMENT OF ASSIGNORS INTEREST | 005454 | /0068 |
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