Patent Assignment
Reel/Frame 004298/0165
Assignment of Assignors Interest.
Recorded: 1984-07-13
Pages: 1
Assignee
TRICIL LIMITED-TRICIL LIMITEE A CORP. OF CANADA
89 QUEENSWAY WEST, MISSISSAUGA,, ONTARIO, L5B 2V2, 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 Assignor's Interest
Jun 7, 1993
From: TRICIL LIMITED-TRICIL LIMITEE
To: LAIDLAW INC.
Reel/Frame 006569/0454 →
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 →