Patent Assignment
Reel/Frame 009231/0270
Assignment of Assignor's Interest
Recorded: 1998-02-10
Pages: 4
Assignor
HAYDEN, RICHARD A.
Executed: 1997-09-17
Assignee
CALGON CARBON CORPORATION
500 CALGON CARBON DRIVE, PITTSBURGH, PENNSYLVANIA, 15205
Covered Property
(1)
Mehtod for Sox Removal by Catalytic Carbon
Patent:
6,114,273 →
Application:
08/933,569 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.