IP Library Assignment 052861/0713
Patent Assignment
Reel/Frame 052861/0713

Assignment of Assignor's Interest

Recorded: 2020-06-08 Pages: 8
Assignors
MACDONALD, ROBERT A.
Executed: 2014-03-11
RICCOBENE, THOMAS S.
Executed: 2014-03-11
Assignee
KEYSTONE RETAINING WALL SYSTEMS LLC
4444 WEST 78TH STREET, BLOOMINGTON, MINNESOTA, 55435
Covered Property (1)
Twisted Block
Application: 16/449,723 →
Publication: US 2019/0309484
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →