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The ornamental design for an urea nitrogen analyzer, as shown and described. |
FIG. 1 is a front perspective of a urea nitrogen analyzer, showing our new design;
FIG. 2 is a front elevation thereof;
FIG. 3 is a side elevation as seen from the left of FIG. 1;
FIG. 4 is an elevation as seen from the side opposite of FIG. 3;
FIG. 5 is a top plan view;
FIG. 6 is a rear elevation thereof; and
FIG. 7 is a view similar to FIG. 1 of an alternative embodiment of our new design depicted with transparent containers.
Aul, Robert J., Breno, Philip J., Zitkus, Wayne J., Watson, Barry, Maguire, Paul R.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 25 1976 | Owens-Illionis, Inc. | (assignment on the face of the patent) | / | |||
Dec 31 1987 | REVGROUP PANTRY MIRROR CORP | Technicon Instruments Corporation | MERGER SEE DOCUMENT FOR DETAILS | 004912 | /0740 |
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