IP Library Assignment 028013/0643
Patent Assignment
Reel/Frame 028013/0643

Assignment of Assignor's Interest

Recorded: 2012-04-09 Pages: 3
Assignors
HICKS, PETER D
Executed: 2007-07-24
GRATTAN, DAVID A
Executed: 2007-07-24
Assignee
NALCO COMPANY
1601 W DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563-1198
Covered Property (1)
Method and Device for Preventing Corrosion in Hot Water Systems
Patent: 8,771,593 →
Application: 13/442,324 →
Publication: US 2012/0234756
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 6, 2012
From: HICKS, PETER D; GRATTAN, DAVID A
To: NALCO COMPANY
Reel/Frame 028324/0253 →