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The ornamental design for a portable file box, as shown and described. |
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FIG. 1 is a perspective view of a portable file box showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left side elevational view thereof, the right side view being a mirror image thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a rear elevational view thereof.
Aaldenberg, Eric, Millar, Robert, Soporowski, Andrzej
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jun 11 1990 | MILLAR, ROBERT | ESSELTE PENDAFLEX CORPORATION, A CORP OF NY | ASSIGNMENT OF ASSIGNORS INTEREST | 005355 | /0486 | |
| Jun 12 1990 | AALDENBERG, ERIC | ESSELTE PENDAFLEX CORPORATION, A CORP OF NY | ASSIGNMENT OF ASSIGNORS INTEREST | 005355 | /0486 | |
| Jun 12 1990 | SOPOROWSKI, ANDRZEJ | ESSELTE PENDAFLEX CORPORATION, A CORP OF NY | ASSIGNMENT OF ASSIGNORS INTEREST | 005355 | /0486 | |
| Jun 28 1990 | Esselte Pendaflex Corporation | (assignment on the face of the patent) | / |
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