Patent
   D325254
Priority
Jun 22 1989
Filed
Dec 13 1989
Issued
Apr 07 1992
Expiry
Apr 07 2006
Assg.orig
Entity
unknown
21
0
n/a
The ornamental design for a ventilation unit, as shown and described.

FIG. 1 is a front and right side perspective view of a ventilation unit, showing my new design;

FIG. 2 is a right side elevation view thereof, the opposite side being a mirror image of that shown;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan thereof; and,

FIG. 6 is a bottom plan view thereof.

Ruuskanen, Matti

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Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 05 1989RUUSKANEN, MATTITeknovent OyASSIGNMENT OF ASSIGNORS INTEREST 0051930481 pdf
Dec 13 1989Teknovent Oy(assignment on the face of the patent)
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