Patent Assignment
Reel/Frame 031370/0480
Assignment of Assignor's Interest
Recorded: 2013-10-09
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
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
Certificate of Conversion
Oct 9, 2013
From: KEYSTONE RETAINING WALL SYSTEMS, INC.
To: KEYSTONE RETAINING WALL SYSTEMS LLC
Reel/Frame 031394/0114 →
Release of Security Interest
Nov 28, 2016
From: GOLDMAN SACHS LENDING PARTNERS, LLC
To: KEYSTONE RETAINING WALL SYSTEMS LLC
Reel/Frame 040692/0055 →
Security Interest
Dec 8, 2016
From: KEYSTONE RETAINING WALL SYSTEMS LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 040852/0143 →