IP Library Assignment 035097/0124
Patent Assignment
Reel/Frame 035097/0124

Assignment of Assignor's Interest

Recorded: 2015-03-05 Pages: 6
Assignors
WEERAWARNA, S. ANANADA
Executed: 2012-05-25
O'CALLAGHAN, DAVID J.
Executed: 2012-05-24
Assignee
WEYERHAEUSER NR COMPANY
PO BOX 9777, CH1J27, FEDERAL WAY, WASHINGTON, 98063-9777
Covered Property (1)
Internally curing cement based materials
Patent: 9,056,792 →
Application: 13/495,646 →
Publication: US 2013/0000523
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 5, 2019
From: WEYERHAEUSER NR COMPANY
To: INTERNATIONAL PAPER COMPANY
Reel/Frame 049964/0838 →