Patent Assignment
Reel/Frame 006569/0454
Assignment of Assignor's Interest
Recorded: 1993-06-07
Pages: 2
Assignor
TRICIL LIMITED-TRICIL LIMITEE
Executed: 1993-04-12
Assignee
LAIDLAW INC.
3221 NORTH SERVICE ROAD, P.O. BOX 5028, BURLINGTON L7R3Y8, ONTARIO, CANADA
Covered Property
(1)
Treatment of Acidic Organic and Alkaline Inorganic Wastes
Patent:
4,530,292 →
Application:
06/597,276 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Jul 13, 1984
From: GUILFORD, NIGEL G. H.; CADOTTE, ALAN P.
To: TRICIL LIMITED-TRICIL LIMITEE A CORP. OF CANADA
Reel/Frame 004298/0165 →
Security Interest
Apr 5, 1999
From: LES, INC.; LAIDLAW ENVIROMENTAL SERVICES, INC.; LAIDLAW ENVIRONMENTAL SERVICES (US), INC.; LES MERGER,INC.
To: TORONTO DOMINION (TEXAS),INC.,AS GENERAL ADMINISTRATIVE AGENT
Reel/Frame 009866/0429 →