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The ornamental design for a portable electric screw driver, as shown. |
FIG. 1 is a top, front and right side of a portable electric screw driver showing our new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a bottom plan view thereof.
Sato, Yuichi, Ogawa, Yasunori, Nakagawa, Atsushi
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 13 1990 | OGAWA, YASUNORI | Hitachi Koki Company Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 005302 | /0527 | |
Apr 13 1990 | SATO, YUICHI | Hitachi Koki Company Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 005302 | /0527 | |
Apr 13 1990 | NAKAGAWA, ATSUSHI | Hitachi Koki Company Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 005302 | /0527 | |
Apr 18 1990 | Hitachi Koki Company Limited | (assignment on the face of the patent) | / | |||
Dec 11 1991 | AMERICAN PREMIER, INC , A DE CORP | CONTINENTAL BANK N A | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 005971 | /0674 |
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