IP Library Assignment 017902/0353
Patent Assignment
Reel/Frame 017902/0353

Assignment of Assignor's Interest

Recorded: 2006-04-25 Pages: 3
Assignors
LENG, SHENGWEN
Executed: 2006-03-30
LIU, GUANGSHENG
Executed: 2006-03-30
Assignee
SYLMARK HOLDINGS LIMITED
17 EARLSFORT TERRACE, DUBLIN 2, IRELAND
Covered Property (1)
Air Purifier
Patent: 551,328 →
Application: 29/246,495 →
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 29, 2011
From: SYLMARK HOLDINGS LIMITED
To: SYLMARK HOLDINGS LIMITED
Reel/Frame 026519/0221 →
Change of Name Jun 29, 2011
From: SYLMARK HOLDINGS LIMITED
To: IDEAL LIVING HOLDINGS LIMITED
Reel/Frame 026519/0296 →
Assignment of Assignor's Interest Nov 18, 2020
From: IDEAL LIVING HOLDINGS, LTD.
To: ENVION, LLC
Reel/Frame 054400/0778 →
Assignment of Assignor's Interest Nov 18, 2020
From: ENVION, LLC
To: BONECO AG
Reel/Frame 054400/0839 →