Patent Assignment
Reel/Frame 030501/0122
Assignment of Assignor's Interest
Recorded: 2013-05-29
Pages: 6
Assignors
SALMINEN, JUSTIN
Executed: 2013-04-10
RIIHIMAKI, TEPPO
Executed: 2013-04-19
RUONALA, MIKKO
Executed: 2013-05-02
Assignee
OUTOTEC OYJ
RIIHITONTUNTIE 7, ESPOO, FI-02200, FINLAND
Covered Property
(1)
Method for Treating a Solution Containing Zinc Sulphate
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Nunc Pro Tunc Assignment
Aug 21, 2023
From: OUTOTEC OYJ
To: OUTOTEC (FINLAND) OY
Reel/Frame 064644/0168 →
Merger and Change of Name
Aug 21, 2023
From: OUTOTEC (FINLAND) OY; METSO MINERALS OY
To: METSO OUTOTEC FINLAND OY
Reel/Frame 064644/0186 →
Change of Name
Sep 22, 2025
From: METSO OUTOTEC FINLAND OY
To: METSO FINLAND OY
Reel/Frame 072925/0070 →