IP Library › Assignment 014675/0976
Patent Assignment
Reel/Frame 014675/0976

Assignment of Assignor's Interest

Recorded: 2003-11-10 Pages: 3
Assignor
SULZER CHEMTECH USA, INC.
Executed: 2003-09-22
Assignee
SULZER CHEMTECH AG
HEGIFELDSTRASSE 65, CH 8404 WINTERTHUR, SWITZERLAND
Covered Properties (2)
Steped Downcomer Apparatus an Dvapor Liquid Contact Apparatus with Same
Stepped Downcomer Apparatus and Vapor-Liquid Contact Apparatus with Same
Patent: 6,575,438 →
Application: 09/878,909 →
Publication: US 2002/0190403
Related Assignments (2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 9, 2001
From: NUTTER, DALE E.; PILLING, MARK W.; CAMPBELL, CHRISTINA J.
To: SULZER CHEMTECH USA, INC.
Reel/Frame 012251/0340 →
Assignment of Assignor's Interest Aug 12, 2020
From: SULZER CHEMTECH AG.
To: SULZER MANAGEMENT AG.
Reel/Frame 053465/0614 →