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Patent Assignment
Reel/Frame 031122/0874

Assignment of Assignor's Interest

Recorded: 2013-08-29 Pages: 5
Assignors
BHATTACHARYYA, ANIRUDDHA
Executed: 2006-08-11
MIDDLETON, ANDREW C.
Executed: 2006-08-17
WEIGHTMAN, ROBIN L.
Executed: 2006-08-19
Assignee
CORPORATE ENVIRONMENTAL SOLUTIONS LLC
260 MILLERS RUN ROAD, BRIDGEVILLE, PENNSYLVANIA, 15017
Covered Property (1)
Methods for Polishing Wastewater Utilizing a Bed of Commingled Bauxite Residue and Iron Filings
Patent: 8,673,152 →
Application: 13/886,677 →
Publication: US 2013/0240452
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 29, 2013
From: SMITH, JOHN R.; FU, JAW; GHOSH, RAJAT; KITZMAN, KEVIN
To: ALCOA INC.
Reel/Frame 031109/0037 →
Change of Name Nov 11, 2016
From: ALCOA INC.
To: ARCONIC INC.
Reel/Frame 040599/0309 →