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The ornamental design for a stopper for plastic or glass tubes for use in taking, transportation and preserving bacteriological samples, as shown. |
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FIG. 1 is a rear perspective view of the stopper for plastic or glass tubes for use in taking, transportation and preserving bacteriological samples showing our new design;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a side elevational view of the stopper with portion thereof fragmentarily broken away; and
FIG. 4 is a bottom plan view thereof.
Hellman, Kosti T., Sivonen, Lauri M.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| May 22 1981 | HELLMAN, KOSTI T | Orion-yhtyma Oy | ASSIGNMENT OF ASSIGNORS INTEREST | 003919 | /0675 | |
| May 22 1981 | SIVONEN, LAURI M | Orion-yhtyma Oy | ASSIGNMENT OF ASSIGNORS INTEREST | 003919 | /0675 | |
| Jun 22 1981 | Orion-Yhtyma Oy. | (assignment on the face of the patent) | / | |||
| May 31 1991 | SAVORY EQUIPMENT, INC A CORPORATION OF DE | Canadian Imperial Bank of Commerce | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 005773 | /0102 |
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