IP Library › Assignment 008057/0226
Patent Assignment
Reel/Frame 008057/0226

Assignment of Assignor's Interest

Recorded: 1996-05-24 Pages: 4
Assignors
DOUGHTY, DAVID T.
Executed: 1996-05-20
COBES, JOHN W.
Executed: 1996-05-20
HAYDEN, RICHARD A.
Executed: 1996-05-20
MATVIYA, THOMAS M.
Executed: 1996-05-20
Assignee
CALGON CARBON CORPORATION
500 CALGON CARBON DRIVE, PITTSBURGH, PENNSYLVANIA, 15205
Covered Property (1)
Purification of Air in Enclosed Spaces
Patent: 5,733,515 →
Application: 08/608,272 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement Jun 6, 2007
From: CALGON CARBON CORPORATION
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 019382/0937 →
Release of Security Interest May 12, 2009
From: JPMORGAN CHASE BANK, N.A.
To: CALGON CARBON CORPORATION
Reel/Frame 022668/0296 →