Patent Assignment
Reel/Frame 037619/0575
Assignment of Assignor's Interest
Recorded: 2016-01-29
Pages: 4
Assignor
DEWATERING TECHNOLOGIES, INC.
Executed: 2013-08-30
Assignee
POLSTON APPLIED TECHNOLOGIES, LLC
1990 MAIN STREET, #750, SARASOTA, FLORIDA, 34236
Covered Properties
(2)
Apparatus for cleaning pipes having pumping and vacuuming capability
Application:
11/057,260 →
Publication:
US 2006/0179603
Submersible Pump Water Jetter
Patent:
9,695,839 →
Application:
12/478,547 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 13, 2008
From: POLSTON, HENRY B
To: DEWATERING TECHNOLOGIES, INC.
Reel/Frame 021095/0366 →
Assignment of Assignor's Interest
Jun 9, 2009
From: POLSTON, HENRY B
To: DEWATERING TECHNOLOGIES, INC.
Reel/Frame 022802/0879 →
Merger
May 30, 2017
From: POLSTON APPLIED TECHNOLOGIES; U.S. SUBMERGENT CLEANERS, LLC
To: U.S. SUBMERGENT TECHNOLOGIES, LLC
Reel/Frame 042628/0837 →
Merger
Nov 30, 2017
From: POLSTON APPLIED TECHNOLOGIES, LLC
To: U.S. SUBMERGENT TECHNOLOGIES, LLC
Reel/Frame 044568/0411 →
Security Interest
Sep 17, 2019
From: U.S. SUBMERGENT TECHNOLOGIES, LLC
To: THE WESTMORELAND COMPANY, INC.
Reel/Frame 050404/0890 →