Patent Assignment
Reel/Frame 021095/0366
Assignment of Assignor's Interest
Recorded: 2008-06-13
Pages: 3
Assignor
POLSTON, HENRY B
Executed: 2007-08-03
Assignee
DEWATERING TECHNOLOGIES, INC.
19907 JANUARY DRIVE, HOUSTON, TEXAS, 77341
Covered Property
(1)
Apparatus for cleaning pipes having pumping and vacuuming capability
Application:
11/057,260 →
Publication:
US 2006/0179603
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.