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The ornamental design for a portable electric hammer drill, as shown. |
FIG. 1 is a top, rear and left side perspective view of a portable electric hammer drill showing our new design;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a front elevational view thereof; and,
FIG. 7 is a rear elevational view thereof.
Sakamoto, Masakazu, Karafuji, Nobuhiko
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 12 1992 | KARAFUJI, NOBUHIKO | Ryobi LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 006079 | /0499 | |
Mar 12 1992 | SAKAMOTO, MASAKAZU | Ryobi LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 006079 | /0499 | |
Apr 02 1992 | Ryobi Ltd. | (assignment on the face of the patent) | / |
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