IP Library Assignment 028550/0878
Patent Assignment
Reel/Frame 028550/0878

Assignment of Assignor's Interest

Recorded: 2012-07-12 Pages: 3
Assignor
DIERKES, CARSTEN
Executed: 2012-07-02
Assignee
ROYAL CONCRETE PIPE, INC.
30630 FOREST BOULEVARD, P.O. BOX 430, STACY, MINNESOTA, 55079
Covered Property (1)
Filter Element for Water Loaded with Solid Particles and Dissolved Toxic Substances and Purification System Equipped with Said Filter Element
Patent: 8,322,540 →
Application: 11/043,379 →
Publication: US 2006/0163147
Related Assignments (1)
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 →