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The ornamental design for a calibrator for two wire transmitters, substantially as shown. |
FIG. 1 is a top and left front perspective view of a calibrator for two wire transmitters showing our new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a front elevational view thereof.
Guetschow, Robert A., Durdin, Daniel J.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Sep 29 1980 | GUETSCHOW ROBERT A | Rosemount Inc | ASSIGNMENT OF ASSIGNORS INTEREST | 003821 | /0262 | |
Sep 29 1980 | DURDIN DANIEL J | Rosemount Inc | ASSIGNMENT OF ASSIGNORS INTEREST | 003821 | /0262 | |
Oct 06 1980 | Rosemount Inc. | (assignment on the face of the patent) | / |
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