Patent
   D536779
Priority
Feb 09 2005
Filed
Aug 01 2005
Issued
Feb 13 2007
Expiry
Feb 13 2021
Assg.orig
Entity
unknown
3
13
n/a
The ornamental design for a ventilation apparatus, as shown and described.

FIG. 1 is an upper side perspective view of a ventilation apparatus in accordance with our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 a rear elevation view thereof;

FIG. 4 is a right-side elevation view thereof;

FIG. 5 is a left-side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Dent, Robert, Lerche, Ulrich

Patent Priority Assignee Title
D804624, Jul 13 2015 STEGO-Holding GmbH Regulator for a heating installation
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 29 2005LERCHE, ULRICHSTEGO-Holding GmbHASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0164640455 pdf
Jul 29 2005DENT, ROBERTSTEGO-Holding GmbHASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0164640455 pdf
Aug 01 2005STEGO-Holding GmbH(assignment on the face of the patent)
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