IP Library Assignment 023305/0975
Patent Assignment
Reel/Frame 023305/0975

Assignment of Assignor's Interest

Recorded: 2009-09-30 Pages: 3
Assignor
DIERKES, CARSTEN
Executed: 2008-02-01
Assignee
ROYAL ENVIRONMENTAL SYSTEMS, INC.
30630 FOREST BOULEVARD, STACY, MINNESOTA, 55079
Covered Property (1)
Liquid Filtration System
Application: 12/570,327 →
Publication: US 2010/0025313
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest Dec 22, 2009
From: ROYAL CONCRETE PIPE, INC.
To: MAKENS, DIANA
Reel/Frame 023699/0689 →
Assignment of Assignor's Interest Jul 12, 2012
From: DIERKES, CARSTEN
To: ROYAL CONCRETE PIPE, INC.
Reel/Frame 028549/0963 →