Patent Assignment
Reel/Frame 044188/0819
Assignment of Assignor's Interest
Recorded: 2017-11-21
Pages: 3
Assignor
GRABBE, ULRICH, DR.
Executed: 2016-11-20
Assignee
AQUA-AEROBIC SYSTEMS, INC.
6306 NORTH ALPINE ROAD, LOVES PARK, ILLINOIS, 61111-4396
Covered Property
(1)
Backwash Shoe Method and Apparatus That Increases Effective Surface Area of Cloth Filter Media
Patent:
10,195,549 →
Application:
15/819,061 →