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The ornamental design for a hand-held pipetting device, as shown and described. |
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FIG. 1 is a top plan view of a hand-held pipetting device, showing our new design;
FIG. 2 is a side elevational view, the opposite side being a mirror image thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a bottom plan view thereof.
Payne, George, Alvarez, Michael A., Fried, George
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 28 1982 | ALVAREZ, MICHAEL A | MANOSTAT CORPORATION, A CORP OF N Y | ASSIGNMENT OF ASSIGNORS INTEREST | 004103 | /0615 | |
| Sep 28 1982 | FRIED, GEORGE | MANOSTAT CORPORATION, A CORP OF N Y | ASSIGNMENT OF ASSIGNORS INTEREST | 004103 | /0615 | |
| Sep 28 1982 | PAYNE, GEORGE | MANOSTAT CORPORATION, A CORP OF N Y | ASSIGNMENT OF ASSIGNORS INTEREST | 004103 | /0615 | |
| Sep 30 1982 | Manostat Corporation | (assignment on the face of the patent) | / |
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