IP Library › Assignment 026117/0852
Patent Assignment
Reel/Frame 026117/0852

Assignment of Assignor's Interest

Recorded: 2011-04-12 Pages: 4
Assignors
PILLING, MARK W
Executed: 2011-02-23
HIRSCH, STEFAN TOBIAS
Executed: 2011-02-24
HIRSCH, MARKUS FRIEDRICH
Executed: 2011-02-25
PILLING, MARK W.
Executed: 2011-02-23
Assignee
SULZER CHEMTECH AG
SULZER-ALLEE 84, WINTERTHUR, 8404, SWITZERLAND
Covered Property (1)
Contact tray for a mass transfer column
Patent: 8,944,419 →
Application: 12/932,476 →
Publication: US 2011/0278745
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 12, 2020
From: SULZER CHEMTECH AG.
To: SULZER MANAGEMENT AG.
Reel/Frame 053465/0614 →