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The ornamental design for an operation control unit for electronic computers, as shown and described. |
FIG. 1 is a top, front and right side perspective view of an operation control unit for electronic computers showing my new design;
FIG. 2 is a front elevational view thereof on an enlarged scale;
FIG. 3 is a right side elevational view thereof the left side being a mirror image;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a sectional view thereof taken along the line 7--7 in FIG. 2 with the internal mechanism being omitted;
FIG. 8 is a sectional view thereof taken along the line 8--8 in FIG. 2 with the internal mechanism being omitted; and,
FIG. 9 is a front elevational view thereof with the window cover being detached.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 02 1993 | ANDO, TAKAHARU | Kabushiki Kaisha Toshiba | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006692 | /0423 | |
Sep 15 1993 | Kabushiki Kaisha Toshiba | (assignment on the face of the patent) | / |
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