Assignment of Assignor's Interest

Recorded: 2014-09-17 Pages: 3

Assignor

WELKER, CHARLES D

Executed: 2014-09-17

Assignee

MACH IV, L.L.C.

6620 ROLLING VISTA DRIVE, DALLAS, TEXAS, 75248

Covered Property (1)

System, Method and Apparatus for Entraining Air in Concrete

Patent: 8,408,781 →

Application: 12/748,883 →

Publication: US 2010/0246312

Related Assignments (1)

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