IP Library › Granted Patent US 530,864
Granted Patent S1
US 530,864 · App. 29/223,100 · Granted Oct 24, 2006

Welding mask

Assignee: Otos Tech Co., Ltd.
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Quick Facts
Patent No.
US 530,864
App. No.
29/223,100
Granted
Oct 24, 2006
Kind
S1
Claims (1)

The ornamental design for a welding mask, as shown.

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 Feb 9, 2005
From: HUH, MOON YOUNG
To: OTOS TECH CO., LTD.
Reel/Frame 016281/0382 →