Patent Assignment
Reel/Frame 026092/0017
Assignment of Assignor's Interest
Recorded: 2011-04-07
Pages: 3
Assignor
MACDONALD, ROBERT A.
Executed: 2008-05-21
Assignee
KEYSTONE RETAINING WALL SYSTEMS, INC.
4444 WEST 78TH STREET, BLOOMINGTON, MINNESOTA, 55435
Covered Property
(1)
Wall Block and Wall Block System for Constructing Walls
Application:
13/081,891 →
Publication:
US 2011/0179737
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →