IP Library Assignment 033231/0977
Patent Assignment
Reel/Frame 033231/0977

Assignment of Assignor's Interest

Recorded: 2014-07-02 Pages: 3
Assignors
HICKS, PETER D.
Executed: 2012-06-05
GRATTAN, DAVID A.
Executed: 2012-06-05
Assignee
NALCO COMPANY
1601 WEST DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563-1198
Covered Property (1)
Method and Device for Preventing Corrosion in Hot Water Systems
Patent: 9,352,980 →
Application: 14/322,246 →
Publication: US 2014/0311991
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Sep 20, 2017
From: NALCO COMPANY
To: NALCO COMPANY LLC
Reel/Frame 043924/0587 →
Assignment of Assignor's Interest Nov 1, 2017
From: NALCO COMPANY LLC
To: ECOLAB USA INC.
Reel/Frame 044347/0104 →