IP Library › Granted Patent US 586,956
Granted Patent S1
US 586,956 · App. 29/321,519 · Granted Feb 17, 2009

Welding mask

Assignee: OTOS Tech Co., Ltd.
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Quick Facts
Patent No.
US 586,956
App. No.
29/321,519
Granted
Feb 17, 2009
Kind
S1
Claims (1)

I claim, the ornamental design for a welding mask, as shown and described.

Assignments (2)
CHANGE OF ASSIGNEE'S ADDRESS Recorded Oct 24, 2008
From: OTOS TECH CO., LTD.
To: OTOS TECH CO., LTD.
Reel/Frame 021731/0228 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 17, 2008
From: HUH, MOON YOUNG
To: OTOS TECH CO., LTD.
Reel/Frame 021259/0932 →
Priority Claims (1)
KR 30-2008-0013480 · Mar 31, 2008 · national