Patent Assignment
Reel/Frame 028112/0817
Assignment of Assignor's Interest
Recorded: 2012-04-26
Pages: 3
Assignor
MACDONALD, ROBERT A.
Executed: 2012-04-19
Assignee
KEYSTONE RETAINING WALL SYSTEMS LLC
9025 CENTRE POINTE DRIVE, SUITE 400, WEST CHESTER, OHIO, 45069
Covered Property
(1)
Wall Block and Wall Block System
Application:
61/635,561 →
Related Assignments
(2)
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 →
Release of Security Interest
Nov 28, 2016
From: GOLDMAN SACHS LENDING PARTNERS, LLC
To: KEYSTONE RETAINING WALL SYSTEMS LLC
Reel/Frame 040692/0055 →