IP Library › Assignment 013944/0820
Patent Assignment
Reel/Frame 013944/0820

Assignment of Assignor's Interest

Recorded: 2003-04-10 Pages: 3
Assignors
CHENG, KA WAI ERIC
Executed: 2003-02-14
YEUNG, YIU PUN BENNY
Executed: 2003-02-14
Assignee
Covered Property (1)
Dc to Dc Converter
Patent: 6,853,569 →
Application: 10/346,167 →
Publication: US 2004/0141345
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 16, 2005
From: THE HONG KONG POLYTECHNIC UNIVERSITY
To: POLYU ENTERPRISES LIMITED
Reel/Frame 016164/0050 →
Assignment of Assignor's Interest Jun 16, 2005
From: POLYU ENTERPRISES LIMITED
To: DIGIPOWER HOLDINGS LIMITED
Reel/Frame 016164/0080 →