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The ornamental design for an electronic ozonation unit, as shown and described. |
FIG. 1 is a front, side and top perspective view of an electronic ozonation unit showing my new design;
FIG. 2 is a side elevational view thereof, the opposite side being a mirror image of that shown;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jun 17 1991 | CHANG, RICHARD T | INFORMATION SCAN TECHNOLOGY, INC A CORP OF CALIFORNIA | ASSIGNMENT OF ASSIGNORS INTEREST | 005764 | /0710 | |
Jul 02 1991 | Information Scan Technology, Inc. | (assignment on the face of the patent) | / |
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