IP Library Assignment 019544/0747
Patent Assignment
Reel/Frame 019544/0747

Assignment of Assignor's Interest

Recorded: 2007-07-11 Pages: 2
Assignor
LEUNG, WALLACE W.
Executed: 2007-05-16
Assignee
THE HONG KONG POLYTECHNIC UNIVERSITY
HUNG HOM, KOWLOON, HONG KONG
Covered Property (1)
Nanofiber Filter Facemasks and Cabin Filters
Patent: 8,303,693 →
Application: 11/740,513 →
Publication: US 2008/0264259
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 7, 2014
From: THE HONG KONG POLYTECHNIC UNIVERSITY
To: AVALON NANOFIBER LIMITED
Reel/Frame 034193/0296 →