Patent Assignment
Reel/Frame 005733/0449
Assignment of Assignors Interest.
Recorded: 1991-06-14
Pages: 4
Assignors
SCHULTHEIS, ALEXANDER
Executed: 1991-01-17
LANDRIGAN, MARK A.
Executed: 1991-01-31
LAKHANI, ARUN
Executed: 1991-02-26
Assignee
CLEAN HARBORS, INC. A MA CORPORATION
1200 CROWN COLONY DRIVE, QUINCY, MASSACHUSETTS, 02269
Covered Property
(1)
Method and Apparatus to Detoxify Aqueous Based Hazardous Waste
Patent:
5,087,370 →
Application:
07/623,604 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Aug 17, 2009
From: CLEAN HARBORS, INC.
To: U.S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 023094/0896 →
Grant of Security Interest in Patent Rights
Aug 17, 2009
From: CLEAN HARBORS, INC.
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 023107/0049 →
Release of Security Interest
Jul 31, 2012
From: U.S. BANK NATIONAL ASSOCIATION
To: CLEAN HARBORS, INC.
Reel/Frame 028686/0351 →
Release of Security Interest
Nov 4, 2016
From: BANK OF AMERICA, N.A.
To: CLEAN HARBORS, INC.
Reel/Frame 040225/0553 →