Patent Assignment
Reel/Frame 026807/0305
Assignment of Assignor's Interest
Recorded: 2011-08-25
Pages: 3
Assignor
MACDONALD, ROBERT A.
Executed: 2011-08-15
Assignee
KEYSTONE RETAINING WALL SYSTEMS, INC.
4444 WEST 78TH STREET, BLOOMINGTON, MINNESOTA, 55435
Covered Property
(1)
Landscaping Block
Patent:
667,140 →
Application:
29/396,302 →
Related Assignments
(7)
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 →
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
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 →
Patent Security Agreement
Feb 10, 2025
From: BEST BLOCK, LLC; CONTECH ENGINEERED SOLUTIONS LLC; CUSTOM BUILDING PRODUCTS, LLC; FORTERRA CONCRETE PRODUCTS, LLC
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION
Reel/Frame 070170/0919 →