Patent Assignment
Reel/Frame 018142/0475
Assignment of Assignor's Interest
Recorded: 2006-08-18
Pages: 3
Assignee
CONTECH CONSTRUCTION PRODUCTS INC.
9025 CENTER POINTE DRIVE, SUITE 400, WEST CHESTER, OHIO, 45069
Covered Property
(1)
Method of producing helically corrugated metal pipe and related pipe construction
Application:
11/408,298 →
Publication:
US 2007/0245789
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.