IP Library › Assignment 003870/0747
Patent Assignment
Reel/Frame 003870/0747

Assignment of Assignors Interest.

Recorded: 1981-03-02 Pages: 1
Assignors
NISKANEN TOIVO
Executed: 1981-02-02
SUNDMAN FREY
Executed: 1981-02-02
TUOMAALA JORMA
Executed: 1981-02-02
Assignee
A. AHLSTROM OSAKEYHTIO
A CORP. OF FINLAND, 29600 NOORMARKKU, FINLAND
Covered Property (1)
Method and Apparatus for Pumping Fiber Suspensions
Patent: 4,435,122 →
Application: 06/239,427 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Feb 10, 1984
From: A. AHLSTROM OSAKEYHTIO A CORP. OF FINLAND
To: KAMYR AB, KNUT DAHLS VAG
Reel/Frame 004220/0088 →
Assignment of Assignor's Interest Sep 27, 2001
From: A. AHLSTROM CORPORATION
To: SULZER PUMPS LTD.
Reel/Frame 012199/0762 →