IP Library › Assignment 018823/0921
Patent Assignment
Reel/Frame 018823/0921

Assignment of Assignor's Interest

Recorded: 2007-01-30 Pages: 3
Assignors
TSUDA, SHIRO
Executed: 2007-01-26
ROSENSWEIG, RONALD E.
Executed: 2007-01-26
Assignee
FERROTEC CORPORATION
1-4-14 KYOBASHI, CHUO-KU, TOKYO, 104-0031, JAPAN
Covered Property (1)
Ferrofluid Centered Voice Coil Speaker
Patent: 7,729,504 →
Application: 11/668,736 →
Publication: US 2007/0189577
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Jan 9, 2023
From: FERROTEC CORPORATION
To: FERROTEC HOLDINGS CORPORATION
Reel/Frame 062320/0643 →
Assignment of Assignor's Interest Jan 27, 2023
From: FERROTEC HOLDINGS CORPORATION
To: FERROTEC MATERIAL TECHNOLOGIES CORPORATION
Reel/Frame 062507/0617 →