Patent Assignment
Reel/Frame 042304/0319
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded: 2017-05-09
Received: 2017-05-09
Pages: 3
Assignor
MACDONALD, ROBERT A.
Executed: 2012-04-19
Assignee
KEYSTONE RETAINING WALL SYSTEMS LLC
9025 CENTRE POINTE DRIVE, SUITE 400, WEST CHESTER, OH, 45069, UNITED STATES
Covered Application
(1)
WALL BLOCK AND WALL BLOCK SYSTEM
App. No. 15/401,646
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