Patent Assignment
Reel/Frame 010479/0342
Assignment of Assignor's Interest
Recorded: 1999-12-20
Pages: 3
Assignor
HAMPEL, BARRY FRANCIS
Executed: 1998-08-29
Assignee
KOPPERS INDUSTRIES, INC.
436 SEVENTH AVENUE, PITTSBURGH, PENNSYLVANIA, 15219
Covered Property
(1)
Rail Milling Machine
Patent:
6,033,166 →
Application:
09/140,927 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
May 20, 2003
From: KOPPERS INC.; KOPPERS CONCRETE PRODUCTS, INC.; KOPPERS INSDUSTRIES OF DELAWARE, INC.; CONCRETE PARTNERS, INC.
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 014074/0880 →
Termination and Release of Security Interest in Patents and Trademarks
Aug 21, 2014
From: PNC BANK, NATIONAL ASSOCIATION
To: KOPPERS INC.; KOPPERS CONCRETE PRODUCTS, INC.; KOPPERS INDUSTRIES OF DELAWARE, INC.; CONCRETE PARTNERS, INC.
Reel/Frame 033586/0624 →