Patent Assignment
Reel/Frame 032413/0921
Assignment of Assignor's Interest
Recorded: 2014-03-12
Pages: 8
Assignee
KEYSTONE RETAINING WALL SYSTEMS LLC
4444 WEST 78TH STREET, MINNEAPOLIS, MINNESOTA, 55435
Covered Property
(1)
Twisted Block
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →