Patent
   D520449
Priority
Dec 26 2003
Filed
Jun 15 2004
Issued
May 09 2006
Expiry
May 09 2020
Assg.orig
Entity
unknown
3
10
n/a
The ornamental design for an optical add-drop multiplexer, as shown and described.

FIG. 1 is a perspective view of an optical add-drop multiplexer showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a right side view thereof, a left side view thereof being a mirror image; and,

FIG. 6 is a rear elevation view thereof.

Shiraishi, Makoto, Katsuyama, Yutaka, Sakaguchi, Keiji

Patent Priority Assignee Title
7753329, Apr 25 2005 Rosen Sunvisor Systems, LLC Universal equipment mount
D583319, Jul 27 2006 Mitsumi Electric Co., Ltd Optical active connector
D678205, Apr 09 2012 RIT Technologies Ltd. Telecommunication connector
Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 14 2004SHIRAISHI, MAKOTOJ S T MFG CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0154810443 pdf
May 14 2004SAKAGUCHI, KEIJIJ S T MFG CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0154810443 pdf
May 21 2004KATSUYAMA, YUTAKAJ S T MFG CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0154810443 pdf
Jun 15 2004J.S.T. Mfg. Co., Ltd.(assignment on the face of the patent)
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