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The ornamental design for a portable battery charger, as shown and described. |
FIG. 1 is a perspective view of the portable battery charger showing our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Sep 01 1995 | International Business Machines Corporation | (assignment on the face of the patent) | / | |||
Sep 13 1995 | TAKAHASHI, TOMOYUKI | International Business Machines Corp | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007766 | /0850 | |
May 20 2005 | International Business Machines Corporation | LENOVO SINGAPORE PTE LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016891 | /0507 |
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