Patent Assignment
Reel/Frame 022363/0301
Assignment of Assignor's Interest
Recorded: 2009-03-09
Pages: 3
Assignor
MACDONALD, ROBERT A.
Executed: 2009-01-30
Assignee
KEYSTONE RETAINING WALL SYSTEMS, INC.
4444 WEST 78TH STREET, BLOOMINGTON, MINNESOTA, 55435
Covered Property
(1)
Block System with Corner Block and Method of Manufacturing a Block
Application:
12/363,231 →
Publication:
US 2009/0188196
Related Assignments
(4)
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 →
Release of Security Interest
Dec 2, 2016
From: WELLS FARGO CAPITAL FINANCE, LLC
To: KEYSTONE RETAINING WALL SYSTEMS LLC
Reel/Frame 040798/0001 →