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The ornamental design for a sonic web break detector for printing presses, as shown and described. |
FIG. 1 is a perspective view of a sonic web break detector for printing presses showing my new design;
FIG. 2is a right side elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 08 1989 | Web Printing Controls Co., Inc. | (assignment on the face of the patent) | / | |||
Oct 10 1989 | GNUECHTEL, HERMAN C | WEB PRINTING CONTROLS CO , INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005176 | /0147 |
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