IP Library › Granted Patent US 542,408
Granted Patent S1
US 542,408 · App. 29/251,715 · Granted May 8, 2007

Anti-asphyxia valve for respiratory mask

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Quick Facts
Patent No.
US 542,408
App. No.
29/251,715
Granted
May 8, 2007
Kind
S1
Claims (1)

The ornamental design for an anti-asphyxia valve for a respiratory mask, as shown and described.

Assignments (3)
CHANGE OF NAME Recorded Apr 30, 2019
From: RESMED LIMITED
To: RESMED PTY LTD
Reel/Frame 050005/0461 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 10, 2006
From: WORBOYS, DAVID JOHN
To: RESMED LIMITED
Reel/Frame 017843/0592 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 10, 2006
From: OLDENBURG, ALISON; LUBKE, STEVEN JOHN; VANDYKE, JAMES WILLIAM; LYNCH, SUSAN ROBYN
To: RESMED LIMITED
Reel/Frame 017843/0595 →