Patent
   D326043
Priority
May 19 1989
Filed
May 19 1989
Issued
May 12 1992
Expiry
May 12 2006
Assg.orig
Entity
unknown
17
10
n/a
The ornamental design for a electric screw driver, as shown.

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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Patent Priority Assignee Title
3935909, Aug 28 1973 Mabuchi Motor Co. Ltd. Electric hand tool
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 15 1989HASEGAWA, HIDEAKIHitachi Koki Company, LimitedASSIGNMENT OF ASSIGNORS INTEREST 0051130594 pdf
May 15 1989TASHIMO, FUMIOHitachi Koki Company, LimitedASSIGNMENT OF ASSIGNORS INTEREST 0051130594 pdf
May 15 1989HAGURA, SHIGEHISAHitachi Koki Company, LimitedASSIGNMENT OF ASSIGNORS INTEREST 0051130594 pdf
May 15 1989TUBURAYA, KAZUYUKIHitachi Koki Company, LimitedASSIGNMENT OF ASSIGNORS INTEREST 0051130594 pdf
May 15 1989ODA, MASARUHitachi Koki Company, LimitedASSIGNMENT OF ASSIGNORS INTEREST 0051130594 pdf
May 19 1989Hitachi Koki Company, Limited(assignment on the face of the patent)
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