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The ornamental design for a electric screw driver, as shown. |
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Figure is a front, top and right-side perspective view of a screw driver showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a right side elevational view thereof; and,
FIG. 7 is a left side elevational view thereof.
Hagura, Shigehisa, Oda, Masaru, Hasegawa, Hideaki, Tuburaya, Kazuyuki, Tashimo, Fumio
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| May 15 1989 | HASEGAWA, HIDEAKI | Hitachi Koki Company, Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 005113 | /0594 | |
| May 15 1989 | TASHIMO, FUMIO | Hitachi Koki Company, Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 005113 | /0594 | |
| May 15 1989 | HAGURA, SHIGEHISA | Hitachi Koki Company, Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 005113 | /0594 | |
| May 15 1989 | TUBURAYA, KAZUYUKI | Hitachi Koki Company, Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 005113 | /0594 | |
| May 15 1989 | ODA, MASARU | Hitachi Koki Company, Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 005113 | /0594 | |
| May 19 1989 | Hitachi Koki Company, Limited | (assignment on the face of the patent) | / |
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