Patent Assignment
Reel/Frame 028830/0882
Assignment of Assignor's Interest
Recorded: 2012-08-22
Pages: 2
Assignor
MAFFEI, ROBERT A.
Executed: 2012-08-22
Assignee
PERMA-PIPE, INC.
7720 NORTH LEHIGH AVENUE, NILES, ILLINOIS, 60714
Covered Property
(1)
Pre-Insulated Piping System
Application:
13/523,440 →
Publication:
US 2013/0186504
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.