Corrective Assignment to Correct the the Assignment Document and Omitted Serial Number and the Assignee Address Previously Recorded on Reel 026902 Frame 0796. Assignor(S) Hereby Confirms the Assignment.

Recorded: 2012-03-12 Pages: 4

Assignor

PEREZ-PENA, MARIANELA

Executed: 2011-08-17

Assignee

UNITED STATES GYPSUM COMPANY

550 WEST ADAMS STREET, CHICAGO, ILLINOIS, 60661

Covered Properties (2)

Method for In-Situ Manufacture of a Lightweight Fly Ash Based Aggregate

Patent: 8,795,429 →

Application: 13/232,128 →

Publication: US 2012/0167804

Method for in-Situ Manufacture of a Lightweight Fly Ash Based Aggregate

Application: 61/428,819 →

Related Assignments (1)

Other recorded transfers of the patents in this record — the chain of ownership.