Patent Assignment
Reel/Frame 010173/0141
Assignment of Assignor's Interest
Recorded: 1999-08-13
Pages: 4
Assignor
TRANGSRUD, JULIAN P.
Executed: 1999-08-10
Assignee
ROYAL ENVIRONMENTAL SERVICES, INC.
30630 FOREST BLVD., STACY, MINNESOTA, 55079
Covered Property
(1)
Extension for a Canal Bed Liner
Patent:
6,206,609 →
Application:
09/374,405 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 18, 2002
From: ROYAL ENVIRONMENTAL SYSTEMS, INC.
To: ROYAL CONCRETE PIPE, INC.
Reel/Frame 012813/0106 →
Security Interest
Dec 22, 2009
From: ROYAL CONCRETE PIPE, INC.
To: MAKENS, DIANA
Reel/Frame 023699/0689 →
Assignment of Assignor's Interest
Mar 9, 2012
From: TRANGSRUD, JULIAN P.
To: ROYAL CONCRETE PIPE, INC.
Reel/Frame 027836/0076 →
Assignment of Assignor's Interest
Jan 26, 2017
From: ROYAL CONCRETE PIPE, INC.; L.W. MAKENS, L.L.C.
To: SEUBERT HOLDINGS, INC.
Reel/Frame 041097/0316 →