IP Library Assignment 037422/0580
Patent Assignment
Reel/Frame 037422/0580

Assignment of Assignor's Interest

Recorded: 2016-01-06 Pages: 3
Assignors
LACROIX, DAVID M.
Executed: 2009-07-14
MACDONALD, ROBERT A.
Executed: 2009-07-14
Assignee
KEYSTONE RETAINING WALL SYSTEMS, INC.
4444 WEST 78TH STREET, BLOOMINGTON, MINNESOTA, 55435
Covered Property (1)
Retaining Wall Containing Wall Blocks with Weight Bearing Pads
Patent: 9,580,881 →
Application: 14/507,295 →
Publication: US 2015/0023741
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Certificate of Conversion Jan 6, 2016
From: KEYSTONE RETAINING WALL SYSTEMS, INC.
To: KEYSTONE RETAINING WALL SYSTEMS LLC
Reel/Frame 037449/0912 →
Security Interest Mar 18, 2022
From: KEYSTONE RETAINING WALL SYSTEMS LLC
To: WELLS FARGO BANK, N.A., AS AGENT
Reel/Frame 059437/0933 →
Patent Security Agreement (Abl) Mar 23, 2022
From: UNITED STATES PIPE AND FOUNDRY COMPANY, LLC; GRIFFIN PIPE PRODUCTS CO., LLC; CUSTOM FAB, INC.; BIO CLEAN ENVIRONMENTAL SERVICES, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 059479/0336 →
Patent Security Agreement (Abl) Mar 23, 2022
From: UNITED STATES PIPE AND FOUNDRY COMPANY, LLC; GRIFFIN PIPE PRODUCTS CO., LLC; CUSTOM FAB, INC.; BIO CLEAN ENVIRONMENTAL SERVICES, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 059479/0437 →
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 →