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The ornamental design for a portable electric hammer, as shown. |
FIG. 1 is a perspective view of the portable electric hammer;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Ogawa, Yasunori, Segawa, Kazuhiro, Nitta, Norio
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 18 1992 | OGAWA, YASUNORI | Hitachi Koki Company Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 006169 | /0444 | |
Mar 18 1992 | NITTA, NORIO | Hitachi Koki Company Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 006169 | /0444 | |
Mar 18 1992 | SEGAWA, KAZUHIRO | Hitachi Koki Company Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 006169 | /0444 | |
Mar 25 1992 | Hitachi Koki Company Limited | (assignment on the face of the patent) | / |
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