IP Library Assignment 023564/0895
Patent Assignment
Reel/Frame 023564/0895

Assignment of Assignor's Interest

Recorded: 2009-11-24 Pages: 3
Assignors
MACDONALD, ROBERT A.
Executed: 2005-06-13
DAWSON, WILLIAM B.
Executed: 2005-06-13
Assignee
KEYSTONE RETAINING WALL SYSTEMS, INC.
4444 WEST 78TH STREET, BLOOMINGTON, MINNESOTA, 55435
Covered Property (1)
Column Block System
Patent: 8,464,491 →
Application: 12/623,907 →
Publication: US 2010/0064620
Related Assignments (8)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement Sep 22, 2010
From: CONTECH CONSTRUCTION PRODUCTS, INC.; CONTECH BRIDGE SOLUTIONS INC.; CDS TECHNOLOGIES, INC.; CONTECH EARCH STABILIZATION SOLUTIONS INC.
To: WELLS FARGO BANK, N.A.
Reel/Frame 025026/0472 →
Certificate of Conversion Feb 3, 2012
From: KEYSTONE RETAINING WALL SYSTEMS, INC.
To: KEYSTONE RETAINING WALL SYSTEMS LLC
Reel/Frame 027646/0388 →
Security Interest Feb 21, 2012
From: CONTECH ENGINEERED SOLUTIONS LLC; CONTECH BRIDGE SOLUTIONS LLC; CONTECH STORMWATER SOLUTIONS LLC; KEYSTONE RETAINING WALL SYSTEMS LLC
To: WELLS FARGO CAPITAL FINANCE, LLC
Reel/Frame 028014/0952 →
Notice of Grant of Security Interest in Patents Jun 18, 2013
From: KEYSTONE RETAINING WALL SYSTEMS LLC; CONTECH ENGINEERED SOLUTIONS LLC; IMBRIUM SYSTEMS LLC
To: GOLDMAN SACHS LENDING PARTNERS LLC
Reel/Frame 030634/0040 →
Release of Security Interest Aug 7, 2013
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: CONTECH ENGINEERED SOLUTIONS LLC (F/K/A CONTECH CONSTRUCTION PRODUCTS INC.); KEYSTONE RETAINING WALL SYSTEMS LLC (F/K/A KEYSTONE RETAINING WALL SYSTEMS INC.); CONTECH TRUCKING & LOGISTICS, LLC
Reel/Frame 030964/0588 →
Release of Security Interest Nov 28, 2016
From: GOLDMAN SACHS LENDING PARTNERS, LLC
To: KEYSTONE RETAINING WALL SYSTEMS LLC
Reel/Frame 040692/0055 →
Release of Security Interest Dec 2, 2016
From: WELLS FARGO CAPITAL FINANCE, LLC
To: KEYSTONE RETAINING WALL SYSTEMS LLC
Reel/Frame 040798/0001 →
Security Interest Dec 8, 2016
From: KEYSTONE RETAINING WALL SYSTEMS LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 040852/0143 →