Patent Assignment
Reel/Frame 009587/0039
Assignment of Assignor's Interest
Recorded: 1998-11-10
Pages: 2
Assignor
NGUYEN, UYEN THUY
Executed: 1998-08-27
Assignee
GEC ALSTHOM TRANSPORT SA
38 AVENUE KLEBER, 75116 PARIS, FRANCE
Covered Property
(1)
A Reversible Direct Current Power Converter Device Capable of Providing Output Voltages Greater Than the Floating Voltage of the Secondary Winding of the Transformer
Patent:
6,067,237 →
Application:
09/137,142 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Apr 16, 2015
From: GEC ALSTHOM TRANSPORT SA
To: ALSTOM TRANSPORT SA
Reel/Frame 035443/0948 →
Assignment of Assignor's Interest
Apr 20, 2015
From: ALSTOM TRANSPORT SA
To: ALSTOM TRANSPORT TECHNOLOGIES
Reel/Frame 035455/0513 →
Corrective Assignment to Remove Erroneous Filed Patent No. 6250442 Previously Recorded at Reel: 035455 Frame: 0513. Assignor(S) Hereby Confirms the Assignment.
Aug 10, 2015
From: ALSTOM TRANSPORT SA
To: ALSTOM TRANSPORT TECHNOLOGIES
Reel/Frame 036344/0852 →
Change of Address
Jul 31, 2017
From: ALSTOM TRANSPORT TECHNOLOGIES
To: ALSTOM TRANSPORT TECHNOLOGIES
Reel/Frame 043382/0290 →