IP Library › Assignment 028046/0780
Patent Assignment
Reel/Frame 028046/0780

Assignment of Assignor's Interest

Recorded: 2012-04-12 Pages: 3
Assignor
WANG, BO
Executed: 2009-10-15
Assignee
WORLD MINERALS, INC.
130 CASTILIAN DRIVE, SANTA BARBARA, CALIFORNIA, 93117
Covered Property (1)
Product Comprising Ultrafine Natural Glass
Patent: 9,315,641 →
Application: 13/496,665 →
Publication: US 2012/0178875
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 31, 2012
From: WORLD MINERALS INC.
To: IMERYS FILTRATION MINERALS, INC.
Reel/Frame 028685/0853 →
Assignment of Assignor's Interest Feb 15, 2019
From: IMERYS FILTRATION MINERALS, INC.
To: IMERYS USA, INC.
Reel/Frame 048344/0707 →